/ Dictionary / Index S sigint: Meaning and Definition of Find definitions for: sig•int Pronunciation: (sig'int"), [key] — n. the gathering of military or other intelligence by interception of electronic signals and consisting of comint and elint. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: sigint (Thesaurus) sigillate Sigismund Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language