わはや 沸きが早い Show inflections LinksSentence search for 沸きが早いSentence search for わきがはやいKanji details for 沸 and 早Edit in JMdict Expressions (phrases, clauses, etc.), I-adjective (keiyoushi)1. quick to warm up (e.g. of a kettle) Discussions Log in to talk about this word.