/ Dictionary / Index S semifinal: Meaning and Definition of Find definitions for: sem•i•fi•nal Pronunciation: (sem"ē-fīn'l, sem"ī-), [key] — Sports. Sports. —adj. of or pertaining to the round preceding the final one in a tournament from which losers are eliminated. (in boxing) of or pertaining to the second most important bout on a card, usually immediately preceding the main bout. —n. a semifinal contest or round. (in boxing) the second most important bout on a card. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: semifinal (Thesaurus) semievergreen semifinalist Related Content Daily Word Quiz: menagerie Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language