/ Dictionary / Index F flame-out: Meaning and Definition of Find definitions for: flame-out Pronunciation: (flām'out"), [key] — n. Aeron. the failure of a jet engine due to an interruption of the fuel supply or to faulty combustion. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: flame-out (Thesaurus) flame-of-the-woods flameproof Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language