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1. Cause to start, provoke or initiate (usually something negative or violent)
   "spark public outrage"; "spark a huge argument";
   - kick off [informal], touch off, spark off, set off, trigger
    
2. Put in motion, initiate (a device, reaction, circuit, etc)
   - actuate, trigger, activate, set off, spark off, trigger off, touch off
    
3. Emit or produce sparks
   "A high tension wire, brought down by a storm, can continue to spark";
   - sparkle

1. A momentary flash of light
   - flicker, glint
    
2. Merriment expressed by a brightness, gleam or animation of countenance
   "he had a spark in his eye";
   - sparkle, twinkle, light
    
3. Electrical conduction through a gas in an applied electric field
   - discharge, arc, 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. A small fragment of a burning substance thrown out by burning material or by friction

1. Scottish writer of satirical novels (born in 1918)
   - Muriel Spark, Dame Muriel Spark, Muriel Sarah Spark

Derived forms: sparked, sparking, sparks, Sparks

Type of: aspect, author, electrical conduction, emit, expression, face, facial expression, flash, fragment, give off, give out, hint, initiate, look, pioneer, suggestion, tint, trace, verve, vitality, writer

Encyclopedia: Spark, Victoria