The meaning of THICK is having or being of relatively great depth or extent from one surface to its opposite. How to use thick in a sentence.

thick adjective [-er/-est only] (NOT FLOWING) (of a liquid) not flowing easily: thick gravy / soup

If something that consists of several things is thick, it has a large number of them very close together. She inherited our father's thick, wavy hair. They walked through thick forest.

1. The thickest part. 2. The most active or intense part: in the thick of the fighting.

thick (thik), adj., -er, -est, adv., -er, -est, n. not thin: a thick slice. (of a solid having three general dimensions) measured across its smallest dimension: a board one inch thick. dense: a thick fog; a …

Nov 18, 2025 · thick (comparative thicker, superlative thickest) In a thick manner.

In a close, compact state or arrangement; densely. Dozens of braids hung thick from the back of her head.

Thick generally refers to the relatively large distance between opposing sides of an object, area, or material. It is the dimension of solid objects that is perceived as the longest, opposite of thin.

Synonyms for THICK: fat, dense, wide, chunky, deep, bulky, broad, blocky; Antonyms of THICK: thin, slender, narrow, skinny, slim, shallow, watery, runny

Idioms through thick and thin (Definition of thick from the Cambridge Learner's Dictionary © Cambridge University Press)