Confusing words explained
“cold” vs “flu” — What’s the Difference?
Cold is milder and shorter. Flu is more severe with higher fever and body aches.
Key takeaway
Quick Difference: cold vs flu
Cold is milder and shorter. Flu is more severe with higher fever and body aches.
cold vs flu Side-by-Side Comparison
Meaning of cold
Having a low temperature; not warm or hot.
When something has a low temperature and you feel chilly or uncomfortable.
Use 'feel cold' when describing personal sensation; use 'is cold' for the weather or objects.
- It is cold outside, so wear a jacket.
- The water in the pool is too cold for swimming.
Meaning of flu
A highly contagious viral infection that causes fever, cough, body aches, and general tiredness, short for influenza.
The flu is a common viral illness that makes you feel very sick with fever, cough, and body pain.
Say 'have the flu' or 'catch the flu' to talk about getting sick with it. Use 'flu shot' or 'flu vaccine' for prevention.
- Last winter, many people caught the flu.
- You should get a flu shot to protect yourself.
How to Remember the Difference
Cold = sniffles and sore throat; flu = fever, body aches and bed for a week.
Common Mistakes with cold and flu
Mistake with cold
Wrong: The weather is cold very much today.
Correct: The weather is very cold today.
Intensifiers like 'very' come before the adjective, not after.
Mistake with cold
Wrong: I am feeling very coldly.
Correct: I am feeling very cold.
Use the adjective 'cold' after 'feel', not the adverb 'coldly'.
Mistake with flu
Wrong: I got flu yesterday.
Correct: I got the flu yesterday.
Use 'the flu' with the article. Don't say 'got flu' without the article.
Mistake with flu
Wrong: Cold and flu are the same sickness.
Correct: Cold is milder than flu. Flu causes higher fever and more body aches.
They are different viral illnesses with different severity levels and symptoms.
Practice Quiz: cold or flu?
Choose the word that best completes each real example sentence.
Question 1
It is _____ outside, so wear a jacket.
Question 2
The water in the pool is too _____ for swimming.
Question 3
She felt _____ and shivered under the blanket.
Pick at least one answer, then press Check answers to see how you did.
You scored 0 out of 3
Frequently Asked Questions About cold vs flu
What’s the difference between “cold” and “flu”?
Cold is milder and shorter. Flu is more severe with higher fever and body aches.
When should I use “cold”?
Use 'feel cold' when describing personal sensation; use 'is cold' for the weather or objects.
When should I use “flu”?
Say 'have the flu' or 'catch the flu' to talk about getting sick with it. Use 'flu shot' or 'flu vaccine' for prevention.
How can I remember cold vs flu?
Cold = sniffles and sore throat; flu = fever, body aches and bed for a week.
Is it “cold” or “flu” in example sentences?
Use the quiz above to test the pair with real example sentences from the available word data.