WordWeb Online

1. Brilliantly clever
   "scintillating wit"; "a play full of scintillating dialogue"
    
2. Marked by high spirits or excitement
   "scintillating personality";
   - bubbling, effervescent, frothy, sparkly
    
3. Having brief brilliant points or flashes of light
   "the scintillating stars";
   - aglitter, coruscant, fulgid, glinting, glistering [archaic], glittering, glittery, scintillant, sparkly

1. Show many points or short flashes of light; sparkle
   "the substance scintillated sparks and flashes"
    
2. Reflect brightly
   "Unquarried marble scintillated on the hillside";
   - sparkle, coruscate, glister
    
3. (celestial body) emit or reflect light in a flickering manner
   "Does a constellation scintillate more brightly than a single star?";
   - twinkle, winkle
    
4. Physics: fluoresce momentarily when struck by a charged particle or high-energy photon
    
5. Be lively, brilliant or exhibit virtuosity
   "A scintillating conversation";
   - sparkle, coruscate, glister

See also: bright, intelligent, lively

Type of: be, beam, emit, fluoresce, give off, give out, reflect, shine

Encyclopedia: Scintillate