1a small fiery particle thrown off from a fire, alight in ashes, or produced by striking together two hard surfaces such as stone or metal:a log fire was sending sparks on to the rug figurativeangry sparks were flashing in her eyes
a small flash of light produced by a sudden disruptive electrical discharge through the air:there was a spark of light
an electrical discharge that ignites the explosive mixture in an internal-combustion engine.
2a small amount of a quality or intense feeling:a tiny spark of anger flared within her
a sense of liveliness and excitement:there was a spark between them at their first meeting
3 (also Sparks) informal used as a nickname for a radio operator or an electrician, especially in the armed forces:she is the sexiest Spark that ever went to sea
1 [no object] emit sparks of fire or electricity:the ignition sparks as soon as the gas is turned on
produce sparks at the point where an electric circuit is interrupted.
2 [with object] ignite:the explosion sparked a fire
provide the stimulus for (an event or process):the trial sparked a furious rowthe severity of the plan sparked off street protests
British informal completely unconscious:I think he would knock Bowe spark out
an encounter becomes heated or lively:sparks always fly when you two get together
strike sparks off each other (or one another)
(of two or more people) creatively inspire each other while working on something:part of the art of opera is to strike sparks off one another