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Idioms are special phrases where the words together have a different meaning than what they say one by one. People use them to describe everyday feelings, health conditions, and times when they do not feel well in a colorful way. In this article, you will learn many interesting idioms that relate to being sick or under the weather.
In this lesson, we’ll look at idioms that mean feeling unwell or recovering from an illness. Let’s get started and explore some of these helpful expressions.
Idioms for Being Sick
1. Under the weather
Definition: Feeling slightly sick, tired, or unwell.
Used in a Sentence: I am feeling a bit under the weather today, so I think I will stay in bed and rest. / She stayed home from school because she felt under the weather.
Similar Expressions: Unwell / Feeling poorly
2. Off colour
Definition: Looking or feeling slightly sick or unhealthy.
Used in a Sentence: My dog looks a little off colour today and refuses to eat his morning treats. / He looked rather off colour during math class, so the teacher sent him to the nurse.
Similar Expressions: Sickly / Unwell
3. As sick as a dog
Definition: Being extremely sick, often with severe nausea or a bad stomach ache.
Used in a Sentence: After eating too many carnival snacks, Leo was as sick as a dog all night. / She felt as sick as a dog with a bad case of the flu.
Similar Expressions: Very ill / Extremely sick
4. Right as rain
Definition: Feeling completely healthy and well again after being sick.
Used in a Sentence: After a good night of sleep and warm soup, I woke up feeling right as rain. / Take your medicine and you will be right as rain by tomorrow morning.
Similar Expressions: Fully recovered / Healthy again
5. Run down
Definition: Feeling exhausted, weak, and close to getting sick because of too much work or lack of rest.
Used in a Sentence: Working on the science project all weekend left me feeling completely run down. / You will get sick if you let yourself get this run down.
Similar Expressions: Exhausted / Fatigued
6. Green around the gills
Definition: Looking pale, sick, or nauseous, often because of motion sickness or illness.
Used in a Sentence: The bumpy boat ride made poor Sam look a little green around the gills. / When the roller coaster stopped, she looked green around the gills and needed to sit down.
Similar Expressions: Looking pale / Nauseous
7. Catch a bug
Definition: To become infected with a common illness like a cold or flu.
Used in a Sentence: Half of the classroom managed to catch a bug during the change of seasons. / Make sure to wash your hands so you do not catch a bug from your classmates.
Similar Expressions: Get sick / Fall ill
8. Drop like flies
Definition: When many people in a group get sick or fall ill very quickly.
Used in a Sentence: During the winter cold wave, students in our school started dropping like flies. / The flu virus swept through the office, and workers were dropping like flies.
Similar Expressions: Falling ill quickly / Getting sick rapidly
9. Kick the bucket
Definition: An old humorous or informal expression meaning to die or pass away after a serious illness.
Used in a Sentence: The old tractor finally kicked the bucket after working on the farm for forty years. / In the old story, the loyal pet dog grew very old and eventually kicked the bucket.
Similar Expressions: Pass away / Die
10. Alive and kicking
Definition: Being healthy, active, and full of life, especially after being sick or facing hardship.
Used in a Sentence: Despite catching a bad cold last week, my grandfather is now alive and kicking. / The old houseplant looked dead, but after watering it, it is alive and kicking again.
Similar Expressions: Healthy and active / Doing well
11. Back on your feet
Definition: Recovered from an illness or injury and feeling strong again.
Used in a Sentence: It took me three days of rest to get back on my feet after the flu. / We are so glad to see you back on your feet after your surgery.
Similar Expressions: Recovered / Healed
12. Hale and hearty
Definition: Being in strong, robust health, especially for an older person.
Used in a Sentence: Even at eighty years old, my grandfather is still hale and hearty and walks every day. / She stays hale and hearty by eating good food and exercising regularly.
Similar Expressions: Strong and healthy / Robust
13. In bad shape
Definition: Being in poor physical condition due to injury, illness, or neglect.
Used in a Sentence: My old bicycle was in bad shape until I took it to the repair shop. / He was in bad shape after running the marathon without drinking water.
Similar Expressions: Unhealthy / Poor condition
14. Out of commission
Definition: Unable to work, play, or function normally because of illness or injury.
Used in a Sentence: With a broken wrist, my pitching arm was out of commission for two months. / Our school computer printer is out of commission until tomorrow.
Similar Expressions: Out of service / Temporarily disabled
15. Pale as a ghost
Definition: Having very pale skin because of fear, shock, or sudden illness.
Used in a Sentence: When he stood up too quickly, he felt dizzy and turned as pale as a ghost. / She looked as pale as a ghost when she caught the stomach virus.
Similar Expressions: Very pale / Washout
16. Pass out
Definition: To faint or lose consciousness because of illness, heat, or exhaustion.
Used in a Sentence: Standing in the hot sun for too long made the band member almost pass out. / He felt so dizzy from the fever that he nearly passed out on the rug.
Similar Expressions: Faint / Lose consciousness
17. Safe and sound
Definition: Recovering safely from an illness or scary medical event without lasting harm.
Used in a Sentence: After spending the night in the hospital, she returned home safe and sound. / The lost puppy was found and brought back to the shelter safe and sound.
Similar Expressions: Safe from harm / Fully recovered
18. Sick and tired
Definition: Being deeply annoyed by something, but also sharing a word root with physical illness.
Used in a Sentence: I am sick and tired of having this nagging cold every single week. / She was sick and tired of taking bitter cough medicine.
Similar Expressions: Fed up / Exhausted by
19. Take a turn for the worse
Definition: When a sick person’s health suddenly becomes much more serious and unhealthy.
Used in a Sentence: The patient was resting, but his fever took a turn for the worse overnight. / The weather and my cold both took a turn for the worse on Tuesday.
Similar Expressions: Worsen / Get sicker
20. Throw up
Definition: To vomit because of a bad stomach bug or illness.
Used in a Sentence: Eating too much candy before the car ride made the little boy throw up. / If you feel like you are going to throw up, please let the teacher know immediately.
Similar Expressions: Vomit / Be sick
21. Weak as a kitten
Definition: Having very little physical strength because of an illness or exhaustion.
Used in a Sentence: After fighting a high fever for two days, I felt as weak as a kitten. / She was as weak as a kitten when she first stood up after resting.
Similar Expressions: Very weak / Feeble
22. Catch your death of cold
Definition: An exaggerated way to warn someone they will get very sick if they go out in the cold without proper clothing.
Used in a Sentence: Put your winter coat on or you will catch your death of cold outside. / Mom told me not to play in the rain or I would catch my death of cold.
Similar Expressions: Get very sick / Catch a severe chill
23. In the pink
Definition: Being in exceptionally good health and physical condition.
Used in a Sentence: After resting all summer, the athlete was back in the pink for the new season. / Grandma says she feels in the pink after her morning yoga routine.
Similar Expressions: In great health / Perfectly well
24. Alive and well
Definition: Thriving and healthy, often used to confirm someone survived an illness.
Used in a Sentence: Despite rumors that he had the flu, Mr. Davis is alive and well at school today. / The old traditions of herbal tea remedies are still alive and well.
Similar Expressions: Healthy / Thriving
25. Feel like death warmed up
Definition: Feeling extremely sick, exhausted, and miserable.
Used in a Sentence: I woke up with a pounding headache and felt like death warmed up. / After staying up all night coughing, she looked and felt like death warmed up.
Similar Expressions: Miserable / Extremely unwell
26. Nursing a cold
Definition: Taking care of yourself while recovering from a mild illness.
Used in a Sentence: Dad stayed on the sofa all weekend nursing a stubborn cold with hot tea. / I am home nursing a cold, so I cannot play outside today.
Similar Expressions: Recovering / Healing at home
27. Bedridden
Definition: Confined to bed because of serious illness, injury, or old age.
Used in a Sentence: The bad strain of flu left him bedridden for nearly a whole week. / Grandma was bedridden with a sprained ankle for a few days.
Similar Expressions: Confined to bed / Housebound
28. On the mend
Definition: Slowly healing and recovering after being sick or injured.
Used in a Sentence: My little brother had a fever, but he is finally on the mend today. / The injured bird’s wing is on the mend thanks to the wildlife center.
Similar Expressions: Healing / Improving in health
29. Weather the storm
Definition: Surviving a difficult illness or tough physical challenge until it passes.
Used in a Sentence: Drinking lots of fluids helped me weather the storm of this nasty winter virus. / The brave patient managed to weather the storm of her medical treatment.
Similar Expressions: Survive / Endure
30. Out of sorts
Definition: Feeling slightly unwell, grumpy, or out of balance physically.
Used in a Sentence: My stomach felt a bit out of sorts after eating strange food at the party. / When you are feeling out of sorts, it is best to drink water and rest.
Similar Expressions: Unwell / Off balance
31. Under the weather vane
Definition: A playful variation of feeling sick or sensitive to changing weather.
Used in a Sentence: My grandma’s knees always ache when she is feeling under the weather vane. / Whenever the air gets damp, I feel a bit under the weather vane.
Similar Expressions: Weather-sensitive / Aching joints
32. Come down with
Definition: To start showing symptoms of an illness.
Used in a Sentence: I think I am going to come down with a cold because my throat hurts. / Several kids came down with chickenpox after the weekend party.
Similar Expressions: Fall ill with / Contract
33. Shaking like a leaf
Definition: Trembling because of a high fever, chills, or severe illness.
Used in a Sentence: The strong fever had him shaking like a leaf under three heavy blankets. / When the chills started, she was shaking like a leaf.
Similar Expressions: Trembling / Shivering
34. Hit by a truck
Definition: A vivid way to describe feeling completely crushed and exhausted by sudden illness.
Used in a Sentence: When I woke up with the flu, I felt like I had been hit by a truck. / The jet lag and the cold made him feel like he was hit by a truck.
Similar Expressions: Exhausted / Severely flattened by illness
35. Cough your lungs out
Definition: To cough very hard and continuously because of a chest cold.
Used in a Sentence: The smoky air and winter chill made everyone cough their lungs out. / He stayed home from sports practice because he was coughing his lungs out.
Similar Expressions: Cough hard / Hack severely
36. Run a fever
Definition: To have a body temperature higher than normal due to an infection.
Used in a Sentence: The nurse checked my forehead and said I was running a fever of one hundred degrees. / If you are running a fever, you must stay home to rest.
Similar Expressions: Have a temperature / Be feverish
37. Laid up
Definition: Forced to stay in bed or at home because of an illness or injury.
Used in a Sentence: He was laid up with a sprained knee for the entire holiday break. / Mom was laid up with a bad migraine all Tuesday afternoon.
Similar Expressions: Confined / Stuck at home
38. Breath of fresh air
Definition: While meaning something reviving, it can describe the relief of finally recovering from being stuffed up.
Used in a Sentence: Breathing through my nose again after a week of congestion felt like a breath of fresh air. / Getting outside after being sick in bed was a breath of fresh air.
Similar Expressions: Relief / Revival
39. Swollen glands
Definition: Enlarged lymph nodes in the neck, indicating your body is fighting off an illness.
Used in a Sentence: My throat hurt and my doctor noticed I had swollen glands when I spoke. / Swollen glands are a common sign that your immune system is fighting germs.
Similar Expressions: Infected nodes / Sore throat sign
40. Full of beans
Definition: The opposite of sick; being full of high energy and good health.
Used in a Sentence: After sleeping for ten hours, the puppy was full of beans and ready to play. / The kids were full of beans after recovering from their winter colds.
Similar Expressions: Energetic / Lively
41. Fighting fit
Definition: Healthy, strong, and completely recovered from any illness.
Used in a Sentence: After a week of rest and healthy eating, the soccer player was fighting fit again. / She did pushups to prove she was fighting fit before the match.
Similar Expressions: Healthy and strong / Peak condition
42. Drop dead
Definition: An aggressive phrase, but literally refers to sudden fatal illness or collapse.
Used in a Sentence: The old story villain threatened to make his enemies drop dead. / We hope no one has to experience such severe illness that they drop dead.
Similar Expressions: Collapse / Perish
43. Safe and sound of health
Definition: Being secure and protected from disease and illness.
Used in a Sentence: Washing our hands keeps us safe and sound of health during flu season. / The medical clinic works to keep the community safe and sound of health.
Similar Expressions: Healthy / Disease-free
44. Out of action
Definition: Temporarily unable to participate because of sickness or injury.
Used in a Sentence: My favorite player was out of action for three games due to a sprained ankle. / A bad stomach bug put our teacher out of action on Thursday.
Similar Expressions: Temporarily sidelined / Unwell
45. On the sick list
Definition: Officially recorded as being absent due to illness.
Used in a Sentence: Three students from our row were placed on the sick list this morning. / If you have a fever, your name goes on the sick list until you return.
Similar Expressions: Absent sick / Registered ill
46. Convalescing
Definition: Recovering health and strength gradually after a period of illness.
Used in a Sentence: Grandma spent two quiet weeks convalescing at home after her hospital stay. / The recovering cat spent its days convalescing on a soft cushion.
Similar Expressions: Healing / Recovering
47. Healthy as a horse
Definition: Possessing great physical strength and rarely ever getting sick.
Used in a Sentence: My uncle eats vegetables every day and is as healthy as a horse. / Even during winter, she remains as healthy as a horse.
Similar Expressions: Very healthy / Robust
48. In good shape
Definition: Maintaining good health and physical well-being through care.
Used in a Sentence: Regular exercise keeps your heart and body in good shape. / The doctor said my lungs are in good shape after the checkup.
Similar Expressions: Healthy / Fit
49. Fresh as a daisy
Definition: Looking bright, clean, and completely recovered or refreshed after rest.
Used in a Sentence: After a long nap, the baby woke up looking as fresh as a daisy. / She jumped out of bed feeling as fresh as a daisy for school.
Similar Expressions: Refreshed / Wide awake and healthy
50. Right side up
Definition: Recovering your physical balance and health after feeling dizzy or sick.
Used in a Sentence: Drinking some water helped get my stomach right side up after the spin ride. / He finally felt right side up after the flu fever broke.
Similar Expressions: Balanced / Recovered
Exercise to Practice
- Feeling under the weather means you are standing outside while it is raining buckets.
- Looking off colour means your skin turned bright purple like a grape.
- Being as sick as a dog means you are barking at mailmen outside your front door.
- Feeling right as rain means you are completely healthy and well again after being sick.
- Feeling run down means you are running a race down a steep hill.
- Being green around the gills means your skin turned green like a fish because of motion sickness.
- Catching a bug means you use a butterfly net to catch insects in the backyard.
- Dropping like flies means people in a group are getting sick very quickly.
- Being alive and kicking means you are healthy, active, and full of life after an illness.
- Getting back on your feet means you glue your shoes to the pavement.
- Being hale and hearty means your body is shaped like a heart-shaped Valentine candy.
- Being out of commission means your computer printer is broken and cannot print.
- Turning as pale as a ghost means your skin becomes very white from fear or illness.
- Passing out means you hand out candy to your friends during recess.
- Feeling like death warmed up means you feel extremely sick, exhausted, and miserable.
Answer Key
- False
- False
- False
- True
- False
- True
- False
- True
- True
- False
- False
- True
- True
- False
- True
Conclusion
Learning these idioms helps you understand when people describe health conditions, recovery, and feeling unwell in everyday conversation. Using them correctly makes your speaking and writing much more descriptive and engaging.
Try to use one of these expressions today when talking about resting up or staying healthy during change of seasons. You will see how colorful English can be!
Frequently Asked Questions
What are some common idioms for being sick?
Common expressions include under the weather, as sick as a dog, and right as rain. People use these phrases to describe feeling unwell, sick, or recovering.
Why do we use idioms to describe illness?
Idioms help describe physical feelings and health states in a creative way that plain words cannot always capture. They make conversations more relatable, expressive, and colorful.
How can I practice learning these sickness idioms?
You can practice by using one idiom a day in a short sentence about resting or recovering from a cold. Reading examples and matching definitions also helps you remember them easily.
Are sickness idioms used in formal writing?
Most of these idioms work best in casual conversations, storytelling, and friendly notes rather than formal medical reports. Using them keeps your speech natural and warm.
What does it mean to feel under the weather?
Feeling under the weather means feeling slightly sick, tired, or unwell. It is a common and polite way to let others know you need to rest.
