spark

US /spɑːrk/
UK /spɑːrk/
"spark" picture
1.

a small fiery particle thrown off from a fire, electric circuit, or friction

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A single spark ignited the dry leaves.
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You can see sparks flying when the metal is ground.
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flashgleamglintflickerscintillation
2.

a trace of a quality or intense feeling

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There was a spark of hope in her eyes.
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He still has that creative spark.
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glimmerhinttraceflashgleam
1.

to ignite or cause to ignite

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The friction sparked a small fire.
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The old engine sparked to life with a cough.
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ignitekindletriggeractivateinitiate
2.

to stimulate or inspire

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His speech sparked a lively debate.
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The new policy aims to spark economic growth.
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stimulateinspireprovokeincitetrigger
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spark plugbright spark