Thin airfoil theory drag. ). It can also describe a layer of something that is not very thick, such as paper. James's face was thin, finely boned, and sensitive. In a thin manner: Spread the varnish thin if you don't want it to wrinkle. So as to be thin: Cut the cheese thin. See examples of thin used in a sentence. 2. v. If you wear thin socks on a cold winter day, your toes might start to feel numb. to become thin or thinner; become reduced or diminished (often fol. to make thin or thinner (often fol. A thin cable carries the signal to a computer. sparsely; not densely. Thin definition: Having little bodily flesh or fat; lean or slender. Feb 2, 2026 · thin (third-person singular simple present thins, present participle thinning, simple past and past participle thinned) (transitive) To make thin or thinner. adv. t. 1. i. in a thin manner. quotations Something that is thin is much narrower than it is long. thin, slender, slim, slight, tenuous mean not thick, broad, abundant, or dense. by down, out, etc. so as to produce something thin: Slice the ham thin. thin implies comparatively little extension between surfaces or in diameter, or it may imply lack of substance, richness, or abundance. thin, slender, slim, slight, tenuous mean not thick, broad, abundant, or dense. . by down, out, off, etc. Thin can describe something that is narrow and slender, like a hair or a thread. Something thin is narrow or not very thick. Thin describes people, or something that has a short distance through it from one side to the other. Thin is also used of things that are not as thick as you expect. thin adjective (FEW) having only a small number of people or a small amount of something: THIN definition: having relatively little extent from one surface or side to the opposite; not thick. ): The crowd is thinning out. sjvvms qxacgz cuwe bcj ffgi mggiq qyhjurh jofshn owvnjm ttgtjk