50 Idioms for Being In Love (Meanings & Examples)

Idioms are creative expressions where the words together carry a figurative meaning rather than a literal one. People use them to add romance, emotion, and vivid imagery to everyday conversation and writing. In this lesson, we will explore special idioms and descriptive phrases that help us talk about falling in love, feeling deeply devoted, and experiencing romance.

Let’s look at expressions that capture what it means to be in love.

Idioms for Being In Love

1. Head over heels

Definition: Completely, deeply, and madly in love with someone.

Used in a Sentence: They met during summer vacation and fell head over heels in love immediately. / He has been head over heels for her since their very first date.

Similar Expressions: Deeply in love / Infatuated

2. Smitten

Definition: Strongly struck by feelings of love, affection, or infatuation.

Used in a Sentence: From the moment he saw her smile, he was completely smitten. / She was utterly smitten by his charming storytelling.

Similar Expressions: Captivated / Enamored

3. Tied the knot

Definition: To get married and officially commit to your romantic partner.

Used in a Sentence: After dating for five years, the couple finally tied the knot in a small beach ceremony. / They decided to tie the knot surrounded by close family and friends.

Similar Expressions: Got married / United in marriage

4. The apple of one’s eye

Definition: Someone who is cherished, adored, and loved above all others.

Used in a Sentence: Ever since she was born, his youngest granddaughter has been the apple of his eye. / She is the apple of his eye, and he would do anything to make her smile.

Similar Expressions: Cherished one / Beloved

5. Puppy love

Definition: Feelings of romantic love or infatuation felt by young people, often thought to be temporary.

Used in a Sentence: Their middle school romance was dismissed as mere puppy love, but they ended up getting married years later. / Don’t underestimate teenage feelings; what seems like puppy love can sometimes last.

Similar Expressions: Adolescent crush / Young infatuation

6. Carry a torch for someone

Definition: To harbor unrequited romantic love or long-term affection for someone who may not feel the same way.

Used in a Sentence: Even years after they broke up, he was still carrying a torch for her. / She realized it was time to stop carrying a torch for someone who had moved on.

Similar Expressions: Unrequited love / Secretly longing

7. Love at first sight

Definition: An immediate, powerful romantic attraction upon seeing someone for the very first time.

Used in a Sentence: When their eyes met across the crowded cafe, it was truly love at first sight. / They often tell the story of their love at first sight at family gatherings.

Similar Expressions: Instant attraction / Immediate chemistry

8. Match made in heaven

Definition: Two people who are exceptionally well-suited for each other and destined to be together.

Used in a Sentence: With their shared love of travel and cooking, they are truly a match made in heaven. / Everyone at the wedding agreed that the bride and groom were a match made in heaven.

Similar Expressions: Perfect couple / Soulmates

9. Blinded by love

Definition: Being so deeply in love that you ignore someone’s obvious faults or bad behavior.

Used in a Sentence: She defended his careless actions because she was completely blinded by love. / Sometimes being blinded by love prevents you from seeing warning signs in a relationship.

Similar Expressions: Infatuated / Uncritical devotion

10. To have a crush

Definition: To experience a sudden, keen romantic infatuation or attraction toward someone.

Used in a Sentence: She had a massive crush on the lead guitarist of the school band. / He tried to act cool whenever the person he had a crush on walked past.

SimilarExpressions: Infatuation / Secret admiration

11. Falling hard

Definition: Developing intense romantic feelings for someone very quickly and deeply.

Used in a Sentence: He knew he was falling hard when he started thinking about her the moment he woke up. / They didn’t expect to fall hard so soon after meeting.

SimilarExpressions: Smitten / Rapidly falling in love

12. Sweetheart

Definition: A term of endearment for a kind, loving, or romantic partner.

Used in a Sentence: Thank you for helping me set up the table, sweetheart. / He brought home flowers for his sweetheart after a long business trip.

SimilarExpressions: Darling / Beloved

13. Heart skips a beat

Definition: A sudden physical sensation of excitement and affection when seeing or thinking about the person you love.

Used in a Sentence: Every time he walks into the room, her heart skips a beat. / The sound of her voice still makes his heart skip a beat.

SimilarExpressions: Thrilled by love / Fluttering heart

14. Tied down

Definition: Committed to a serious romantic relationship, sometimes feeling restricted.

Used in a Sentence: He used to avoid commitment, but now he’s happy to be tied down with the right person. / She wasn’t ready to be tied down until she finished her degree.

SimilarExpressions: Committed / In a settled relationship

15. An old flame

Definition: A former romantic partner or past love from earlier in life.

Used in a Sentence: He ran into an old flame at the high school reunion and caught up over coffee. / She didn’t expect to hear from an old flame after all these years.

SimilarExpressions: Ex-partner / Former love

16. To wear your heart on your sleeve

Definition: To openly display your emotions, vulnerability, and romantic feelings for everyone to see.

Used in a Sentence: He always wears his heart on his sleeve, never hiding how much he cares about her. / Wearing your heart on your sleeve can be risky, but it makes relationships authentic.

SimilarExpressions: Openly emotional / Expressive

17. Love makes the world go round

Definition: An idiom meaning that affection, passion, and human connection are the most important motivators in life.

Used in a Sentence: Despite all our differences, kindness and love make the world go round. / They forgave each other’s minor mistakes because love makes the world go round.

SimilarExpressions: Love is vital / Affection rules

18. Better half

Definition: A humorous and affectionate term for one’s spouse or long-term romantic partner.

Used in a Sentence: Let me check with my better half before we commit to hosting the party this weekend. / He brought his better half along to the company gala.

SimilarExpressions: Spouse / Partner

19. Sweep someone off their feet

Definition: To make someone fall instantly and passionately in love through charm and romance.

Used in a Sentence: He planned a surprise weekend trip to Paris that completely swept her off her feet. / She was looking for someone who could romance her and sweep her off her feet.

SimilarExpressions: Charm / Captivate romantically

20. Significant other

Definition: A formal or modern term for a romantic partner, spouse, or boyfriend/girlfriend.

Used in a Sentence: Employees are invited to bring their significant others to the annual holiday dinner. / She introduced her significant other to the rest of the team.

SimilarExpressions: Partner / Spouse

21. Soulmate

Definition: A person ideally suited to another as a close romantic partner or soul connection.

Used in a Sentence: After fifty years of marriage, they still consider each other absolute soulmates. / Finding your soulmate takes patience and an open heart.

SimilarExpressions: Kindred spirit / Destined partner

22. Heart of gold

Definition: Having an exceptionally kind, generous, and loving nature.

Used in a Sentence: She fell in love with his gentle personality and his heart of gold. / Anyone would be lucky to date someone with a heart of gold.

SimilarExpressions: Kind-hearted / Exceptionally loving

23. To pop the question

Definition: To ask someone to marry you; to propose marriage.

Used in a Sentence: He hid the ring inside a dessert menu before popping the question at their favorite restaurant. / After dating for three years, he finally decided to pop the question.

SimilarExpressions: Propose marriage / Ask for hand in marriage

24. Love bird

Definition: A couple that is visibly affectionate, cozy, and deeply in love.

Used in a Sentence: Look at those two holding hands across the table; they’re absolute lovebirds. / Ever since they got engaged, the lovebirds have been inseparable.

SimilarExpressions: Affectionate couple / Inseparable pair

25. True love never runs smooth

Definition: A proverb meaning that genuine romantic relationships always face challenges and difficulties.

Used in a Sentence: They argued about career choices, but they knew true love never runs smooth. / Don’t give up on the relationship just yet; true love never runs smooth.

SimilarExpressions: Relationships take work / Love encounters trials

26. Besotted

Definition: So infatuated or in love with someone that you cannot think clearly.

Used in a Sentence: He was completely besotted with her wit and intelligence. / She acted like a teenager, totally besotted whenever he was nearby.

SimilarExpressions: Infatuated / Captivated

27. Mad about someone

Definition: Passionately fond of or deeply in love with someone.

Used in a Sentence: He has been mad about her since they were university classmates. / She was mad about his quirky sense of humor.

SimilarExpressions: Passionately in love / Crazy about

28. Caught in her/his spell

Definition: Completely enchanted, charmed, and fascinated by someone’s romantic appeal.

Used in a Sentence: From the moment she started singing, he was caught in her spell. / He was completely caught in her spell and agreed to every travel plan she suggested.

SimilarExpressions: Enchanted / Captivated

29. Sweet on someone

Definition: Having a romantic fondness or crush on someone.

Used in a Sentence: Everyone could tell he was sweet on her by the way he brought her coffee every morning. / She had been sweet on her neighbor for months before saying hello.

SimilarExpressions: Fond of / Infatuated

30. Heart’s desire

Definition: The person or thing that you want most deeply in the world.

Used in a Sentence: Marrying her was the fulfillment of his heart’s desire. / She found her heart’s desire when she least expected it.

SimilarExpressions: Ultimate wish / True love

31. Taking your breath away

Definition: Overwhelming someone with immense beauty, grace, or emotional impact.

Used in a Sentence: When the bride walked down the aisle, her beauty took his breath away. / The romantic gesture completely took her breath away.

SimilarExpressions: Captivating / Awe-inspiring

32. Lost in your eyes

Definition: Being so mesmerized by someone’s gaze that you lose track of everything else.

Used in a Sentence: He whispered sweet nothings, feeling completely lost in her eyes. / She smiled, getting lost in his eyes during their first dance.

SimilarExpressions: Mesmerized / Deeply attracted

33. Tied to someone’s apron strings

(Note: Usually means dependent on a mother, but signifies intense attachment)

Devoted to someone

Definition: Showing unwavering loyalty, affection, and love to a partner.

Used in a Sentence: Through thick and thin, he remained deeply devoted to his wife. / Their devoted relationship is an inspiration to everyone around them.

SimilarExpressions: Loyal / Loving

34. To have butterflies in your stomach

Definition: Feeling a nervous, fluttery excitement when near the person you love.

Used in a Sentence: Even after years together, she still gets butterflies in her stomach when he holds her hand. / He had butterflies in his stomach waiting to meet her parents.

SimilarExpressions: Nervously excited by love / Fluttery affection

35. Making your heart sing

Definition: Bringing immense joy, happiness, and romantic fulfillment to your life.

Used in a Sentence: Hearing her laugh is the sound that makes my heart sing. / Their shared passion for music made both of their hearts sing.

SimilarExpressions: Bringing joy / Uplifting romance

36. Walking on sunshine

Definition: Feeling overwhelmingly happy, cheerful, and elated because of love.

Used in a Sentence: Ever since they confessed their feelings, she’s been walking on sunshine. / He felt like he was walking on sunshine after she said yes.

SimilarExpressions: Elated / Overjoyed with love

37. To fall for someone hook, line, and sinker

Definition: To fall completely, totally, and unreservedly in love with someone.

Used in a Sentence: He tried to play it cool, but he fell for her hook, line, and sinker. / She fell for his charming personality hook, line, and sinker.

SimilarExpressions: Completely smitten / Fallen totally

38. A match made in heaven (Variation) / Cut from the same cloth

(Let’s use Two peas in a pod)

Two peas in a pod

Definition: Two people who are remarkably similar in personality, tastes, and deeply compatible in love.

Used in a Sentence: They share every hobby and finish each other’s sentences; they’re like two peas in a pod. / The couple is two peas in a pod when it comes to their love for adventure.

SimilarExpressions: Highly compatible / In sync

39. To keep someone close to your heart

Definition: To cherish and value someone deeply within your emotional core.

Used in a Sentence: Even when traveling far apart, she kept him close to her heart. / He kept his late wife’s memory close to his heart.

SimilarExpressions: Cherish / Deeply value

40. True blue

Definition: Unwaveringly loyal, faithful, and dedicated in love and friendship.

Used in a Sentence: He proved he was true blue by staying by her side through every hardship. / She is a true blue partner who always supports my dreams.

SimilarExpressions: Loyal / Faithful

41. Love conquers all

Definition: A traditional saying meaning that love can overcome any difficulty or obstacle.

Used in a Sentence: They faced distance and financial hurdles, believing that love conquers all. / Their enduring marriage proved that love conquers all.

SimilarExpressions: Love overcomes obstacles / Devotion prevails

42. Moonstruck

Definition: Romantically romanticized or slightly dazed by love, as if under the spell of the moon.

Used in a Sentence: He sat on the porch star-gazing, looking completely moonstruck. / She laughed at her moonstruck behavior whenever she looked at old love letters.

SimilarExpressions: Dazed by love / Infatuated

43. A labor of love

Definition: A task or project carried out purely out of affection and love rather than for financial gain.

Used in a Sentence: Restoring his grandfather’s vintage car for their wedding was a true labor of love. / Baking the intricate three-tier wedding cake was a labor of love.

SimilarExpressions: Done with love / Passion project

44. To set your heart on someone

Definition: To decide firmly that you want someone as your romantic partner.

Used in a Sentence: Once he set his heart on winning her affection, he stopped at nothing to romance her. / She had set her heart on him from the day they met.

SimilarExpressions: Determined to love / Focused affection

45. To give your heart to someone

Definition: To offer your complete emotional devotion and love to another person.

Used in a Sentence: She knew he was trustworthy, so she decided to give him her heart. / He gave his heart to her on their wedding day.

SimilarExpressions: Devote yourself / Commit fully in love

46. Burning passion

Definition: Intense, fiery romantic desire and emotional warmth.

Used in a Sentence: Their relationship was fueled by mutual respect and a burning passion. / Years into their marriage, their burning passion for one another never faded.

SimilarExpressions: Intense romance / Fiery love

47. Wrapped around someone’s little finger

Definition: Being so in love that you are easily influenced or persuaded by your partner.

Used in a Sentence: He denies it, but he is completely wrapped around his wife’s little finger. / She has him wrapped around her little finger with just a smile.

SimilarExpressions: Devotedly compliant / Enamored

48. Love is blind

Definition: A proverb meaning that when you are in love, you cannot see any faults in the person you love.

Used in a Sentence: He forgave all her quirks because they say love is blind. / She didn’t mind his terrible singing voice, proving once again that love is blind.

SimilarExpressions: Infatuation overlooks flaws / Uncritical affection

49. Heart-to-heart

Definition: An intimate, honest, and loving conversation between two people.

Used in a Sentence: They sat on the porch having a late-night heart-to-heart about their future. / A good heart-to-heart helped clear up any misunderstandings between the couple.

SimilarExpressions: Honest discussion / Intimate talk

50. In seventh heaven (Romance context)

Definition: Experiencing supreme happiness and bliss because of being in love.

Used in a Sentence: Holding hands on the beach at sunset put him in seventh heaven. / She was in seventh heaven when he surprised her with tickets to her favorite band.

SimilarExpressions: Blissful / Ecstatic in love

Exercise to Practice

1. To be “head over heels” or “smitten” means you are deeply and madly in love.
2. Having a “heart of gold” means you are cold, heartless, and unkind.
3. To “tie the knot” means to get married and officially commit to your partner.
4. “Puppy love” refers to mature, lifelong love that only occurs in old age.
5. Being “blinded by love” means you notice and magnify every minor flaw in your partner.
6. An “old flame” is a literal fire hazard in an old house.
7. To “pop the question” means to ask someone to marry you.
8. Being “moonstruck” means you are dazed, romanticized, and under the spell of love.
9. “Love is blind” means love makes people physically unable to see.
10. To “carry a torch for someone” means you are holding a flashlight in the dark.
11. Being “two peas in a pod” describes two people who are deeply compatible.
12. A “match made in heaven” describes two people who hate each other.
13. To “sweep someone off their feet” means to knock them over physically on the sidewalk.
14. A “labor of love” is a task done purely out of affection and devotion.
15. To “give your heart to someone” means offering your complete emotional devotion.

Answer Key

1. True
2. False
3. True
4. False
5. False
6. False
7. True
8. True
9. False
10. False
11. True
12. False
13. False
14. True
15. True

Conclusion

Learning idioms about being in love helps you express romance, deep affection, and emotional connection using vivid and evocative language. Whether you want to describe someone as being “head over heels” or talk about “tying the knot,” these phrases add warmth and beauty to your conversations and writing.

Try using expressions like “apple of one’s eye” or “match made in heaven” in your next romantic story or conversation!

Frequently Asked Questions

What are some common idioms for being in love?

Common idioms for being in love include head over heels, smitten, tied the knot, the apple of one’s eye, and love at first sight.

What does it mean to be “head over heels”?

It is a popular figurative expression meaning you are completely, deeply, and madly in love with someone.

What is the difference between “puppy love” and mature love?

“Puppy love” refers to temporary infatuations or romantic feelings experienced during youth, whereas mature love represents deep, enduring commitment between partners.

Are these idioms meant to be interpreted literally?

No, these phrases are figurative expressions. For example, being “head over heels” means you are deeply in love, not literally hanging upside down.

How can learning these phrases improve my writing?

Learning these expressions adds emotional depth, romantic flair, and vivid imagery to character relationships and narrative storytelling.