flash
noun
a sudden intense burst of radiant energy
a momentary brightness
a short vivid experience
“a flash of emotion swept over him”
“the flashings of pain were a warning”
Synonymsflashinga sudden brilliant understanding
“he had a flash of intuition”
a very short time (as the time it takes the eye to blink or the heart to beat)
“if I had the chance I'd do it in a flash”
a gaudy outward display
a burst of light used to communicate or illuminate
Synonymsflarea short news announcement concerning some on-going news story
a bright patch of color used for decoration or identification
“red flashes adorned the airplane”
“a flash sewn on his sleeve indicated the unit he belonged to”
a lamp for providing momentary light to take a photograph
verb
gleam or glow intermittently
“The lights were flashing”
appear briefly
“The headlines flashed on the screen”
display proudly; act ostentatiously or pretentiously
“he showed off his new sports car”
make known or cause to appear with great speed
“The latest intelligence is flashed to all command posts”
run or move very quickly or hastily
“She dashed into the yard”
expose or show briefly
“he flashed a $100 bill”
protect by covering with a thin sheet of metal
“flash the roof”
emit a brief burst of light
“A shooting star flashed and was gone”
adjective
tastelessly showy
“a flash car”
“a flashy ring”
Source: WordNet 3.1, Princeton University