/ Dictionary / Index I insectifuge: Meaning and Definition of Find definitions for: in•sec•ti•fuge Pronunciation: (in-sek'tu-fyj"), [key] — n. a substance or preparation for driving off insects. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: insectifuge (Thesaurus) insecticide insectile Related Content Daily Word Quiz: stringent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language