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] (CLOSE TOGETHER) (of particular things) close together with little space between them: a thick fog

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.

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 …

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

Jan 20, 2026 · A thick theory, such as libertarianism or socialism, is not appropriate as the basis for a constitution in a pluralistic society in which the people hold differing views about the good (or justice).

THICK definition: having relatively great extent from one surface or side to the opposite; not thin. See examples of thick used in a sentence.

Adjective: thick (thicker,thickest) thik Not thin; of a specific thickness or of relatively great extent from one surface to the opposite usually in the smallest of the three solid dimensions

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.