noun

spark

spark, flash, trace

A single spark can start a forest fire.

A single spark can start a forest fire.

I felt a spark of hope.

I felt a spark of hope.

The comment sparked a heated debate.

The comment sparked a heated debate.

((a spark of sth.)) a small amount of a quality or feeling a spark of genius

((to spark sth.)) to cause sth. to start or happen The decision sparked controversy.

Synonyms: flash, glimmer (noun); trigger, provoke (verb)

From Proto-Germanic *spark-, related to words meaning 'to glitter, to strew'.

A small spark can start a big fire. This applies literally and figuratively, like a 'spark of an idea'.

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