Idioms for being sick are fun phrases that mean something different from the literal words you see on the page. People use them every day to add color to their conversations and share feelings quickly. In this article, you will learn many helpful idioms related to being sick and feeling under the weather.
In this lesson, we’ll look at Idioms that mean experiencing illness, feeling unwell, and recovering from sickness. Let’s get started and explore some of these helpful expressions.
Idioms for Being Sick
1. Under the weather
Meaning: Feeling slightly sick, tired, or unwell on a given day.
For Example: Leo stayed home from school because he was feeling a bit under the weather. / Mom made chicken soup when dad felt under the weather.
Other Ways to Say: Feeling unwell / Slightly sick
2. Right as rain
Meaning: Recovering completely and feeling healthy and well again.
For Example: After a good night of sleep, she woke up feeling right as rain. / Take your medicine and you will be right as rain by tomorrow.
Other Ways to Say: Fully recovered / Healthy again
3. As sick as a dog
Meaning: Being extremely and miserably sick with a bad illness.
For Example: Eating spoiled fruit left him feeling as sick as a dog all night. / The poor puppy was as sick as a dog with a tummy ache.
Other Ways to Say: Extremely ill / Very sick
4. Back on your feet
Meaning: Recovering from an illness and standing or walking again.
For Example: After resting for three days, grandpa was finally back on his feet. / Eating healthy foods helps get you back on your feet quickly.
Other Ways to Say: Recovered / Healthy again
5. Catch a bug
Meaning: Catching a common cold or minor illness from someone else.
For Example: Washing your hands often stops you from catching a bug at school. / He had to miss soccer practice because he caught a bug.
Other Ways to Say: Get sick / Fall ill
6. Run down
Meaning: Feeling exhausted, weak, and close to getting sick from overwork.
For Example: Staying up too late every night left him feeling completely run down. / Take a nap so you do not get run down before exams.
Other Ways to Say: Exhausted / Fatigued
7. Out of sorts
Meaning: Feeling mildly sick, irritable, or out of your normal healthy state.
For Example: Maya felt a bit out of sorts all morning and skipped recess. / Eating too much candy left him feeling completely out of sorts.
Other Ways to Say: Feel unwell / Feel irritable
8. Green around the gills
Meaning: Looking pale, sickly, and feeling like you might throw up.
For Example: Riding the giant spinning amusement ride left him looking green around the gills. / The bumpy boat ride made several passengers look green around the gills.
Other Ways to Say: Look pale / Feel nauseous
9. Throw up
Meaning: Vomiting because your stomach feels sick or upset.
For Example: Eating too much candy too fast made the child throw up. / If you feel dizzy, tell a teacher before you throw up.
Other Ways to Say: Vomit / Be sick
10. Cough your lungs out
Meaning: Coughing intensely and heavily because of a chest cold.
For Example: The bad cold had him coughing his lungs out all through the night. / Cover your mouth when you are coughing your lungs out.
Other Ways to Say: Cough heavily / Severe coughing
11. Full of aches and pains
Meaning: Having sore muscles and joints all over your body from illness.
For Example: Waking up with the flu left her full of aches and pains. / Hard physical work left him full of aches and pains by evening.
Other Ways to Say: Sore all over / Aching body
12. Alive and kicking
Meaning: Being healthy, active, and full of life after recovering.
For Example: After resting all week, the dog was back alive and kicking. / Even after a mild cold, she was soon alive and kicking.
Other Ways to Say: Healthy and active / Doing well
13. Drop like flies
Meaning: Falling sick or collapsing in large numbers during an illness outbreak.
For Example: When the winter cold hit school, students started to drop like flies. / The flu virus made the team members drop like flies.
Other Ways to Say: Get sick quickly / Fall ill rapidly
14. Pale as a ghost
Meaning: Having very white skin because of illness, shock, or fear.
For Example: After running a high fever, his face went as pale as a ghost. / She looked as pale as a ghost when she felt dizzy.
Other Ways to Say: Look sickly / Pale skin
15. Safe and sound
Meaning: Recovering from an illness or trip and being healthy at home.
For Example: After visiting the doctor, he returned home safe and sound. / The sick kitten was nursed back and arrived safe and sound.
Other Ways to Say: Healthy and secure / Recovered safely
16. On the mend
Meaning: Healing and improving in health after being sick.
For Example: Even though he still coughed, the doctor said he was on the mend. / Eating soup helped her get on the mend quickly.
Other Ways to Say: Healing / Improving
17. Coming down with something
Meaning: Beginning to show early signs of catching an illness.
For Example: Sneezing three times in a row meant she was coming down with something. / Stay home if you feel like you are coming down with something.
Other Ways to Say: Getting sick / Catching a cold
18. Fever pitch sickness
Meaning: Running an extremely high body temperature from an infection.
For Example: His temperature reached fever pitch sickness on Tuesday night. / Taking medicine helped lower his fever pitch sickness.
Other Ways to Say: High fever / Severe temperature
19. Weak as a kitten
Meaning: Having very little physical strength because of an illness.
For Example: After fighting the flu for two days, she felt as weak as a kitten. / Lifting his heavy backpack was hard when he felt as weak as a kitten.
Other Ways to Say: Very weak / Lacking strength
20. Knocked flat by illness
Meaning: Being forced to stay in bed because an illness is so strong.
For Example: The severe winter flu knocked him flat for almost a week. / Being knocked flat by illness meant missing the school play.
Other Ways to Say: Bedridden / Seriously sick
21. Bedridden
Meaning: Confined to bed because you are too weak or sick to stand.
For Example: The heavy fever left him bedridden for three days straight. / Grandma spent the weekend bedridden with a bad cold.
Other Ways to Say: Confined to bed / Sick in bed
22. Under the doctor’s care
Meaning: Receiving medicine and treatment from a medical professional.
For Example: He stayed home under the doctor’s care until his cough cleared. / Being under the doctor’s care ensures you recover safely.
Other Ways to Say: Receiving treatment / Seeing a physician
23. Taking medicine
Meaning: Swallowing prescribed pills or liquid syrup to cure an illness.
For Example: Taking medicine on time helps speed up your recovery from the flu. / She disliked taking medicine because of the bitter taste.
Other Ways to Say: Using remedies / Taking pills
24. Prescribed rest
Meaning: Official advice from a doctor to stay in bed and relax.
For Example: The doctor ordered prescribed rest for two days to cure the fever. / Following prescribed rest got him healthy faster.
Other Ways to Say: Doctor’s orders / Needed rest
25. Bouncing back
Meaning: Recovering your energy and health rapidly after being sick.
For Example: Kids are great at bouncing back after catching a quick cold. / Drinking water helped him bounce back quickly from exhaustion.
Other Ways to Say: Recovering fast / Healing well
26. In the pink of health
Meaning: Being in wonderful, strong physical condition and completely well.
For Example: Eating vegetables and exercising keeps you in the pink of health. / After recovering, grandpa was back in the pink of health.
Other Ways to Say: Very healthy / In great shape
27. Hale and hearty
Meaning: Strong, healthy, and full of energy despite aging or illness recovery.
For Example: Even after turning eighty, grandpa remained hale and hearty. / The recovered puppy was hale and hearty in the yard.
Other Ways to Say: Strong and healthy / Robust
28. Robust health
Meaning: Possessing a strong body that resists illnesses easily.
For Example: Eating healthy meals helps build robust health during winter. / Her robust health kept her from catching the classroom cold.
Other Ways to Say: Strong constitution / Great wellness
29. Gaining strength
Meaning: Slowly recovering muscle power and energy after an illness.
For Example: Eating nourishing soup helped him start gaining strength each day. / Walking short distances helped her in gaining strength.
Other Ways to Say: Growing stronger / Recovering energy
30. Clear bill of health
Meaning: An official doctor’s statement that you are completely healthy.
For Example: The nurse gave him a clear bill of health to return to sports. / Earning a clear bill of health meant she could go outside again.
Other Ways to Say: Healthy report / Medical clearance
31. Catch a chill
Meaning: Becoming cold, which often leads to catching a minor illness.
For Example: Wear your winter coat so you do not catch a chill outside. / Sitting in wet clothes is a quick way to catch a chill.
Other Ways to Say: Get cold / Catch a bug
32. Run a temperature
Meaning: Having a body temperature higher than normal due to fever.
For Example: Touching his forehead revealed that he was running a temperature. / Stay in bed while you are running a temperature.
Other Ways to Say: Have a fever / Run a hot temperature
33. Chills and fever
Meaning: Experiencing shaking cold feelings followed by hot body heat.
For Example: The nasty flu bug gave her chills and fever all afternoon. / Drinking plenty of water helps when you have chills and fever.
Other Ways to Say: Shaking and hot / Flu symptoms
34. Stuffy nose
Meaning: Having blocked nasal passages that make breathing through the nose hard.
For Example: A bad cold left him with a stuffy nose and sneezing. / Using nasal spray helps clear up a stuffy nose.
Other Ways to Say: Blocked nose / Congestion
35. Runny nose
Meaning: Having liquid dripping from your nose due to a cold or allergies.
For Example: Spring pollen gave her a very runny nose during recess. / Grab a tissue because you have a runny nose.
Other Ways to Say: Drip nose / Nasal discharge
36. Sore throat
Meaning: Experiencing pain and scratchiness inside your throat when swallowing.
For Example: Drinking warm honey tea helped soothe his sore throat. / Swallowing felt difficult because of her sore throat.
Other Ways to Say: Scratchy throat / Painful throat
37. Raspy voice
Meaning: Speaking with a rough, deep sound caused by a sore throat or cold.
For Example: The heavy cold left him speaking with a raspy voice. / She whispered because her throat infection caused a raspy voice.
Other Ways to Say: Hoarse voice / Scratchy tone
38. Spitting feathers
Meaning: Having an extremely dry mouth and throat from illness or thirst.
For Example: Waking up with a fever left him feeling like he was spitting feathers. / Drink a glass of water when you feel like spitting feathers.
Other Ways to Say: Dry mouth / Extremely thirsty
39. Swollen glands
Meaning: Having tender lumps in your neck from fighting off an infection.
For Example: The throat infection caused her to have swollen glands. / The doctor checked his neck for swollen glands during the exam.
Other Ways to Say: Tender lymph nodes / Neck lumps
40. Pains in the joints
Meaning: Experiencing sore joints throughout the body during an illness.
For Example: The winter flu virus gave him aches and pains in the joints. / Staying warm helps ease pains in the joints.
Other Ways to Say: Aching joints / Joint soreness
41. Dizzy spells
Meaning: Brief moments of feeling lightheaded and unsteady from sickness.
For Example: Standing up too fast caused her to experience dizzy spells. / He had to sit down after getting dizzy spells from the fever.
Other Ways to Say: Lightheadedness / Unsteadiness
42. Out cold
Meaning: Being fast asleep or unconscious due to heavy fatigue or medicine.
For Example: The strong cold medicine knocked him out cold on the sofa. / After taking the syrup, she was out cold for hours.
Other Ways to Say: Deeply asleep / Unconscious
43. Knocked out by the flu
Meaning: Being completely overcome by a severe viral infection.
For Example: The seasonal virus left him knocked out by the flu for days. / Being knocked out by the flu meant missing the museum trip.
Other Ways to Say: Bedridden / Very sick
44. Quarantine room
Meaning: Staying isolated in a separate room to avoid spreading illness.
For Example: To keep others safe, he stayed in a quarantine room. / Staying in a quarantine room stops germs from spreading.
Other Ways to Say: Isolation room / Separate area
45. Germ collector
Meaning: A humorous way to describe someone who catches every passing cold.
For Example: He joked that he was a germ collector during the winter season. / Wash your hands so you don’t act like a germ collector.
Other Ways to Say: Sickly person / Easy target for germs
46. Sick leave
Meaning: Official time taken off from school or work due to illness.
For Example: Dad took two days of sick leave to recover from his cough. / Students must bring a note after taking sick leave.
Other Ways to Say: Medical absence / Time off for illness
47. Doctor’s note
Meaning: A written paper from a physician excusing you from school or work.
For Example: The school office requested a doctor’s note for his three-day absence. / She handed her teacher the doctor’s note upon returning.
Other Ways to Say: Medical excuse / Physician letter
48. Bitter pill to swallow
Meaning: An unpleasant reality, such as getting sick right before a vacation.
For Example: Catching the flu on the first day of spring break was a bitter pill to swallow. / Having to stay indoors while friends played was a bitter pill.
Other Ways to Say: Unpleasant reality / Hard disappointment
49. Pale face
Meaning: Having skin lacking color because of illness or exhaustion.
For Example: Mom noticed his pale face and checked his temperature immediately. / The flu left her with a tired, pale face.
Other Ways to Say: Colorless skin / Pale look
50. Sickly pallor
Meaning: An unhealthy, pale yellowish skin tone caused by severe illness.
For Example: The stomach bug gave him a sickly pallor all afternoon. / Rest helped restore color to her sickly pallor.
Other Ways to Say: Unhealthy look / Pale complexion
51. Weak knees
Meaning: Legs trembling and lacking strength due to illness or fever.
For Example: Standing up after the flu left him with weak knees. / The fever gave her weak knees while walking to the door.
Other Ways to Say: Shaky legs / Trembling stance
52. Heavy head
Meaning: Feeling like your head is full of pressure and very heavy from a cold.
For Example: Waking up with a sinus infection gave him a heavy head. / Resting quietly helps cure a heavy head.
Other Ways to Say: Head pressure / Throbbing head
53. Throbbing temples
Meaning: Having a painful headache that beats heavily at the sides of your head.
For Example: The loud noise in the hallway caused throbbing temples. / He rubbed his throbbing temples to ease the headache pain.
Other Ways to Say: Pounding headache / Throbbing head
54. Stomach bug
Meaning: A common intestinal illness causing stomach cramps and nausea.
For Example: Eating bland crackers helped settle his stomach bug. / The classroom stomach bug caused several absences.
Other Ways to Say: Tummy flu / Intestinal virus
55. Hacking cough
Meaning: A dry, harsh, and loud cough caused by throat irritation.
For Example: A persistent hacking cough kept him awake all night. / Drinking warm water helped quiet her hacking cough.
Other Ways to Say: Dry cough / Harsh cough
56. Sniffling and sneezing
Meaning: Making small breathing sounds and blowing your nose from a cold.
For Example: Allergy season left everyone sniffling and sneezing in class. / Grab a tissue if you are sniffling and sneezing.
Other Ways to Say: Cold symptoms / Sneezing fits
57. Convalescing
Meaning: Spending time recovering health and strength after an illness.
For Example: Grandma spent two weeks convalescing at home after her surgery. / Resting in bed is the best way for convalescing patients.
Other Ways to Say: Recovering / Healing
58. Healing nicely
Meaning: Making good progress toward becoming healthy again.
For Example: The doctor checked the scratch and said it was healing nicely. / With proper rest, his cold was healing nicely.
Other Ways to Say: Recovering well / Improving health
59. Restored health
Meaning: Getting your full strength and wellness back after being sick.
For Example: A week of sleep resulted in restored health for the student. / Fresh air and fruit juices contributed to her restored health.
Other Ways to Say: Renewed wellness / Full recovery
60. Back in action
Meaning: Returning to normal activities and sports after recovering from illness.
For Example: After beating the flu, Leo was finally back in action on the soccer field. / Taking medicine got him back in action by Friday.
Other Ways to Say: Returned to play / Active again
Exercise to Practice
- Leo stayed home from school because he was feeling a bit ________.
- After a good night of sleep, she woke up feeling ________.
- Eating spoiled fruit left him feeling as ________ as a dog all night.
- After resting for three days, grandpa was finally ________ on his feet.
- Washing your hands often stops you from ________ a bug at school.
- Staying up too late every night left him feeling completely ________.
- Maya felt a bit ________ all morning and skipped recess.
- Riding the giant spinning amusement ride left him looking ________ around the gills.
- Eating too much candy too fast made the child ________.
- The bad cold had him ________ his lungs out all through the night.
- Waking up with the flu left her full of ________ and pains.
- After resting all week, the dog was back alive and ________.
- When the winter cold hit school, students started to ________ like flies.
- After running a high fever, his face went as pale as a ________.
- After visiting the doctor, he returned home ________ and sound.
Answer Key
- under the weather
- right as rain
- sick
- back
- catching
- run down
- out of sorts
- green
- throw up
- coughing
- aches
- kicking
- drop
- ghost
- safe
Conclusion
Learning idioms related to being sick helps us describe health challenges and recovery moments with colorful, relatable language. These helpful expressions bring warmth and empathy to everyday conversations about feeling unwell. Try using a few of these new idioms when talking about cold remedies or resting at home with your friends today. You will make your language more expressive while expanding your knowledge of English idioms.



