禁きんじ手て

noun

forbidden move; prohibited move; foul

Used in sumo, shogi, go, and other competitive games for a move that is against the rules. Also used figuratively for an unfair or unacceptable action in other contexts.

• 相撲すもうで禁きんじ手てを使つかうと反はん則そく負まけになる。

  Using a forbidden move in sumo results in a loss by foul.

• その政せい治じ家かのやり方かたは禁きんじ手てだと言いわれている。

  That politician's methods are said to be a prohibited move.