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

thin, slender, slim, slight, tenuous mean not thick, broad, abundant, or dense. thin implies comparatively little extension between surfaces or in diameter, or it may imply lack of …

thin adjective (FEW) having only a small number of people or a small amount of something:

Discover everything about the word "THIN" in English: meanings, translations, synonyms, pronunciations, examples, and grammar insights - all in one comprehensive guide.

Jan 7, 2026 · thin (third-person singular simple present thins, present participle thinning, simple past and past participle thinned) (transitive) To make thin or thinner. quotations

Thin generally refers to something that has a small or narrow thickness or diameter in relation to its length or width. It can define an object, person, or substance with little thickness, or it could …

Some common synonyms of thin are slender, slight, slim, and tenuous. While all these words mean "not thick, broad, abundant, or dense," thin implies comparatively little extension …

thin adjective (LIQUID) A thin substance or liquid has a lot of water in it and flows easily: thin soup

4 days ago · The conservative firebrand attended a meeting for oil executives at the White House on Friday.

Something thin is narrow or not very thick. If you wear thin socks on a cold winter day, your toes might start to feel numb. Thin can describe something that is narrow and slender, like a hair or …