違たがえる

ichidan verb, transitive verb

change; alter

Used for deliberately changing or altering something, often with a nuance of deviation from an original state or standard.

• 彼かれは約やく束そくの時じ間かんを違たがえた。

  He changed the promised time.

• 予よ定ていを違たがえて、早はやめに出しゅっ発ぱつした。

  We altered our plans and left early.

ichidan verb, transitive verb

go against; run counter to; break (one's word)

Used when an action contradicts an expectation, promise, or moral standard. Common with 約束, 期待, 道理, etc.

• 彼かれは約やく束そくを違たがえた。

  He broke his promise.

• その行こう動どうは道どう理りに違たがえる。

  That action goes against reason.

ichidan verb, transitive verb

make a mistake; err

Used for making an error in judgment, action, or calculation. Often interchangeable with 間違える in casual speech, but 違える can sound slightly more formal or literary.

• 計けい算さんを違たがえてしまった。

  I made a mistake in the calculation.

• 道みちを違たがえたかもしれない。

  I might have taken the wrong road.