congestion Definition

congest
verb, tr & intr congested, congesting

1. To excessively crowd or become excessively crowded.
2. Said of an organ: to accumulate or make something accumulate with blood, often causing inflammation.
3. Said of the nose or other air passages: to block up with mucus.

Derivative: congested
adj

Blocked or excessively crowded
Thesaurus: overcrowded, full, crammed, packed, jammed, overflowing; clogged, blocked, swollen; Antonym: clear.

Derivative: congestion
noun

Derivative: congestive
adj

Etymology: 19c: from Latin congerere, congestum to heap up.