- (v.i.) To break forth, as a sudden flood of light; to burst instantly and brightly on the sight; to show a momentary brilliancy; to come or pass like a flash.
- (n.) A sudden burst of light; a flood of light instantaneously appearing and disappearing; a momentary blaze; as, a flash of lightning.
- (n.) A preparation of capsicum, burnt sugar, etc., for coloring and giving a fictious strength to liquors.
- (n.) A sudden and brilliant burst, as of wit or genius; a momentary brightness or show.
- (a.) Showy, but counterfeit; cheap, pretentious, and vulgar; as, flash jewelry; flash finery.
- (n.) The time during which a flash is visible; an instant; a very brief period.
- (n.) To strike and throw up large bodies of water from the surface; to splash.
- (n.) To trick up in a showy manner.
- (v.i.) To burst forth like a sudden flame; to break out violently; to rush hastily.
- (n.) A reservoir and sluiceway beside a navigable stream, just above a shoal, so that the stream may pour in water as boats pass, and thus bear them over the shoal.
- (v.t.) To send out in flashes; to cause to burst forth with sudden flame or light.
- (a.) Wearing showy, counterfeit ornaments; vulgarly pretentious; as, flash people; flash men or women; -- applied especially to thieves, gamblers, and prostitutes that dress in a showy way and wear much cheap jewelry.
- (v.t.) To cover with a thin layer, as objects of glass with glass of a different color. See Flashing, n., 3 (b).
- (n.) A pool.
- (v.t.) To convey as by a flash; to light up, as by a sudden flame or light; as, to flash a message along the wires; to flash conviction on the mind.
- (v.i.) To burst or break forth with a sudden and transient flood of flame and light; as, the lighting flashes vividly; the powder flashed.
- (n.) Slang or cant of thieves and prostitutes.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). flash. Retrieved September 20, 2026, from http://smartdefine.org/flash/definitions/2008438 |
| Chicago | Webster's. 2011. "flash" http://smartdefine.org/flash/definitions/2008438 (accessed September 20, 2026). |
| Harvard | Webster's 2011, flash, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/flash/definitions/2008438>. |
| MLA | Webster's. "flash" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/flash/definitions/2008438> |