1. (noun) flicker, spark, glint
a momentary flash of light
Synonyms: twinkle, waver, sparkle, discharge, flicker, glint, spark, arc, light, flutter, electric discharge, electric arc
2. (noun) sparkle, twinkle, spark, light
merriment expressed by a brightness or gleam or animation of countenance
Synonyms: illumination, arc, coruscation, lightness, lighting, sparkling, sparkle, light source, flicker, brightness level, igniter, visible light, discharge, electric arc, glister, glitter, spark, brightness, luminosity, lighter, visible radiation, luminousness, scintillation, luminance, light, glint, twinkle, glisten, ignitor, electric discharge
3. (noun) discharge, spark, arc, electric arc, electric discharge
electrical conduction through a gas in an applied electric field
Synonyms: dismissal, arc, firing, waiver, firing off, dismission, flicker, sack, discharge, venting, liberation, release, bow, sacking, spark, sparkle, run, emission, electric arc, expelling, light, glint, twinkle, outpouring, electric discharge
4. (noun) spark
a small but noticeable trace of some quality that might become stronger
Synonyms: twinkle, sparkle, discharge, flicker, glint, arc, light, electric discharge, electric arc
5. (noun) Spark, Muriel Spark, Dame Muriel Spark, Muriel Sarah Spark
Scottish writer of satirical novels (born in 1918)
Synonyms: twinkle, sparkle, discharge, flicker, glint, arc, light, electric discharge, electric arc
6. (verb) spark
a small fragment of a burning substance thrown out by burning material or by friction
Synonyms: twinkle, sparkle, discharge, flicker, glint, arc, light, electric discharge, electric arc
7. (verb) trip, actuate, trigger, activate, set off, spark off, spark, trigger off, touch off
put in motion or move to act
Synonyms: jaunt, trip out, start, incite, detonate, offset, get off, motivate, spark, trip up, propel, take off, explode, instigate, trigger off, move, part, trigger, trip, depart, set off, stumble, prompt, turn on, activate, spark off, touch off, blow up, bring out, travel, start out, sparkle, set forth, actuate, stir up, cancel, aerate, set out
8. (verb) spark, sparkle
emit or produce sparks
Synonyms: scintillate, form bubbles, effervesce, actuate, fizz, sparkle, coruscate, spark off, trip, trigger off, spark, touch off, trigger, froth, activate, foam, set off
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Synonyms for spark 
