Definition

A thick, sticky substance produced in the respiratory system, often when someone has a cold or infection.

Example

When I have a cold, I often cough up phlegm.

Conversation

I've been feeling under the weather lately.

Oh no! Is it just a cold or something worse?

I think it's mostly a cold, but there's so much phlegm it's hard to breathe.

That sounds rough! Make sure to drink plenty of fluids.

Synonyms & Antonyms

Root Explanation

Phlegm originates from the Greek word 'phlegma' (meaning inflammation or mucus), which is derived from 'phlegein' (meaning to burn or inflame). The term refers to the thick mucus produced in the respiratory system, often associated with inflammation.

Memory Tip

Think of the Greek word 'phlegma' meaning inflammation, which helps you remember that phlegm is the thick mucus often produced during respiratory inflammation.

Visually Confused Words