早そう計けい

na-adjective, noun

overhasty; rash; premature

Used for judgments, decisions, or conclusions made too quickly without sufficient thought or evidence. Often appears in the phrase 早計に過ぎる (to be too hasty).

• 彼かれが犯はん人にんだと決きめつけるのは早そう計けいだ。

  It's premature to conclude that he is the culprit.

• まだ結けっ果かが出でていないのに、成せい功こうしたと思おもうのは早そう計けいに過すぎる。

  It's too hasty to think we've succeeded when the results aren't out yet.