/ Dictionary / Index R retrofire: Meaning and Definition of Find definitions for: ret•ro•fire Pronunciation: (re'trō-fīr"), [key] — v., -fired, -fir•ing. —v.t. to ignite (a retrorocket). —v.i. (of a retrorocket) to become ignited. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. retrodirective retrofit Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language