flu

word

/ˈfɫu/
floo
/flˈuː/
floo

Definition

The flu is a common infectious illness caused by a virus. It usually makes you feel feverish, tired, and achy, and it is often more serious than a cold.

Usage & Nuances

In everyday English, 'flu' usually means influenza, not just any cold. Common phrases are 'have the flu', 'get the flu', and 'flu season'. Learners often confuse it with 'cold'; the flu is typically stronger and comes with fever and body aches.

Example Sentences

I have the flu, so I am staying home today.

basic

She missed school because of the flu.

basic

Many people get the flu in winter.

basic

I thought it was just a cold, but it turned out to be the flu.

natural

The whole office is going around with the flu right now.

natural

I finally got over the flu, but I still feel weak.

natural