/ Dictionary / Index S surmise: Meaning and Definition of Find definitions for: sur•mise Pronunciation: (v.sur-mīz'n.sur-mīz', sûr'mīz), [key] — v., n. -mised, -mis•ing, —v.t. to think or infer without certain or strong evidence; conjecture; guess. —v.i. to conjecture or guess. —n. a matter of conjecture. an idea or thought of something as being possible or likely. a conjecture or opinion. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: surmise (Thesaurus) surly surmount Related Content Daily Word Quiz: dispel Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language