/ Dictionary / Index F fireless: Meaning and Definition of Find definitions for: fire•less Pronunciation: (fīr'lis), [key] — adj. lacking fire; without a fire. lacking spirit or enthusiasm. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Fire Island fireless cooker Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language