Definition of bright spark
- Who's the bright spark who came up with this rotten idea?
: radiating or reflecting light : shining, sparkling
: illustrious, glorious
: a color of high saturation : a bright (see 1bright 4) color
: a small particle of a burning substance thrown out by a body in combustion or remaining when combustion is nearly completed
: a hot glowing particle struck from a larger mass
: a luminous disruptive electrical discharge of very short duration between two conductors separated by a gas (such as air)
: to throw out sparks
: to flash or fall like sparks
: to produce sparks
: a foppish young man
: lover, beau
: woo, court
What made you want to look up bright spark? Please tell us where you read or heard it (including the quote, if possible).