/ Dictionary / Index S subtilize: Meaning and Definition of Find definitions for: sub•til•ize Pronunciation: (sut'l-īz", sub'tu-līz"), [key] — v., -ized, -iz•ing. —v.t. to elevate in character; sublimate. to make (the mind, senses, etc.) keen or discerning; sharpen. to introduce subtleties into or argue subtly about. to make thin, rare, or more fluid or volatile; refine. —v.i. to make subtle distinctions or to argue subtly. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: subtilize (Thesaurus) subtilisin subtilty Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language