To shine out with sudden and unsteady light, luster, or splendor; give out a dazzling light.To waver; flutter; burn with an unsteady light, as flame in a current of air; hence, to flutter, as such flame does; flutter with gaudy show.To open or spread outward, like the mouth of a trumpet.To incline outward from a perpendicular, as a ship's sides or bows, or any similar formation: opposed to tumble home.To cause to burn with a flaring flame; hence, to display glaringly; exhibit in an ostentatious manner.n. A glaring, unsteady, wavering light; a glare: as, the flare of an expiring candle.n. A spreading outward; a terminal or a continuous broadening, as of a trumpet or a lily, the side of a vessel of any kind, etc.n. In photography, same as ghost, 8.n. Ostentation.n. Synonyms Glare, etc. See flame, n.