- animated; vivacious; effervescent: a scintillating personality.
- witty; brilliantly clever: a scintillating conversationalist; a play full of scintillating dialogue.
verb (used without object), scin·til·lat·ed, scin·til·lat·ing.
- to emit sparks.
- to sparkle; flash: a mind that scintillates with brilliance.
- to twinkle, as the stars.
- Electronics. (of a spot of light or image on a radar display) to shift rapidly around a mean position.
- (of the amplitude, phase, or polarization of an electromagnetic wave) to fluctuate in a random manner.
- (of an energetic photon or particle) to produce a flash of light in a phosphor by striking it.
verb (used with object), scin·til·lat·ed, scin·til·lat·ing.
- to emit as sparks; flash forth.
- sparkling; twinkling
- animated or brilliant
verb (mainly intr)
- (also tr) to give off (sparks); sparkle; twinkle
- to be animated or brilliant
- physics to give off flashes of light as a result of the impact of particles or photons
v.1620s, from Latin scintillatus, past participle of scintillare “to sparkle, glitter, gleam, flash,” from scintilla “spark” (see scintilla). Related: Scintillated; scintillating.