adjective, flash·i·er, flash·i·est.
- sparkling or brilliant, especially in a superficial way or for the moment: a flashy performance.
- ostentatiously or vulgarly smart; showy; gaudy: flashy clothes.
adjective flashier or flashiest
- brilliant and dazzling, esp for a short time or in a superficial way
- cheap and ostentatious
“showy, cheaply attractive,” 1680s, from flash + -y (2). Earlier it meant “splashing” (1580s); “sparkling, giving off flashes” (c.1600). Related: Flashily; flashiness.