たがえる Also written 違える Meanings Ichidan verb, Transitive to change; to alter to run counter to; to go against; to break (one's word) to make a mistake (in); to err Example sentences 彼らは時をたがえず橋を完成した。They finished building the bridge on time. 彼は約束をたがえない。He's as good as his word. Related forms たがう to differ (intransitive partner) Jinuma: Japanese Dictionary · Word lists