ひらめく · ひろめく also 閃く
- godan verb, intransitive, usually in kana to flash (e.g. lightning); to flicker; to glitter; to sparkle; to gleam
- usually in kana to flutter (e.g. flag); to wave; to undulate
- usually in kana to flash into one's mind (e.g. an idea); to come to one suddenly