spark meaning and definition

SPARK noun

Definition of spark (noun)

1. a momentary flash of light
   • synonyms: flicker, glint
2. merriment expressed by a brightness or gleam or animation of countenance
   • "he had a sparkle in his eye"; "there's a perpetual twinkle in his eyes"
   • synonyms: light, sparkle, twinkle
3. electrical conduction through a gas in an applied electric field
   • synonyms: arc, discharge, electric arc, electric discharge
4. a small but noticeable trace of some quality that might become stronger
   • "a spark of interest"; "a spark of decency"
5. Scottish writer of satirical novels (born in 1918)
   • synonyms: Dame Muriel Spark, Muriel Sarah Spark, Muriel Spark
6. a small fragment of a burning substance thrown out by burning material or by friction

SPARK verb

Definition of spark (verb)

1. put in motion or move to act
   • "trigger a reaction"; "actuate the circuits"
   • synonyms: activate, actuate, set off, spark off, touch off, trigger, trigger off, trip
2. emit or produce sparks
   • "A high tension wire, brought down by a storm, can continue to spark"
   • synonyms: sparkle