flarev. i.[Cf. Norw. flara to blaze, flame, adorn with tinsel, dial. Sw. flasa upp, and E. flash, or flacker.]1. To burn with an unsteady or waving flame; as, the candle flares.()2. To shine out with a sudden and unsteady light; to emit a dazzling or painfully bright light.()3. To shine out with gaudy colors; to flaunt; to be offensively bright or showy.()With ribbons pendant, flaring about her head. (Shak.)4. To be exposed to too much light.()Flaring in sunshine all the day. (Prior.)5. To open or spread outwards; to project beyond the perpendicular; as, the sides of a bowl flare; the bows of a ship flare.()To flare up, to become suddenly heated or excited; to burst into a passion. [Colloq.] Thackeray.()n.1. An unsteady, broad, offensive light.()2. A spreading outward; as, the flare of a fireplace.()3. (Photog.) A defect in a photographic objective such that an image of the stop, or diaphragm, appears as a fogged spot in the center of the developed negative.()n. Leaf of lard.(Dunglison.)