閃ひらめく

1. 1to flash (e.g. lightning) ; to flicker ; to glitter ; to sparkle ; to gleam Translated by Jiyomi
2. 2to flutter (e.g. flag) ; to wave ; to undulate Translated by Jiyomi
3. 3to flash into one's mind (e.g. an idea) ; to come to one suddenly Translated by Jiyomi

Other writings and readings

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JMdict entry 1392480 · frequency rank 50. Source and licence.