/ Dictionary / Index F flare star: Meaning and Definition of Find definitions for: flare' star" Pronunciation: [key] — Astron. Astron. a dwarf star that exhibits sudden increases of magnitude similar to solar flares. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. flareback flareup Related Content Daily Word Quiz: dissonant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language