かち合う かちあう Also written 搗ち合う Meanings Godan verb, Intransitive to clash; to collide; to conflict; to coincide to meet (by chance); to come across; to run into Kanji 合 fit. Read as あう. Example sentences 試験の日が私の姉の結婚式とかち合った。The date of the examination clashed with my sister's wedding. Jinuma: Japanese Dictionary · Word lists