/ Dictionary / Index S suimate: Meaning and Definition of Find definitions for: su•i•mate Pronunciation: (s'ī-māt", s'ē-), [key] — n. Chess. self-mate. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sui juris suint Related Content Daily Word Quiz: supercilious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language