/ Dictionary / Index S spitfire: Meaning and Definition of Find definitions for: spit•fire Pronunciation: (spit'fīr"), [key] — n. a person, esp. a girl or woman, who is of fiery temper and easily provoked to outbursts. (cap.) a British fighter plane with a single in-line engine used by the R.A.F. throughout World War II. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: spitfire (Thesaurus) spiteful Spithead 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