Definition

A condition where the sinuses, which are air-filled spaces in the skull, become swollen or inflamed, often causing pain and difficulty breathing through the nose.

Example

After catching a cold, she developed sinusitis and had to see a doctor for treatment.

Conversation

I've been feeling really congested lately.

That sounds uncomfortable! Do you think it might be sinusitis?

Yeah, I read that it can cause a lot of pressure in your face.

Definitely! You should see a doctor if it doesn't get better.

Synonyms & Antonyms

Root Explanation

Sinusitis → It is formed from "sinus" (from Latin, meaning bay or fold) and "-itis" (from Greek, meaning inflammation). The word "sinusitis" refers to the inflammation of the sinus cavities.

Memory Tip

Think of 'sinus' as a bay or fold in your body that can become inflamed, which is what 'sinusitis' means.

Visually Confused Words