SuGoiSuす語彙すGrammar › N1 · 08 Extremes and impossibility
〜極まる: extremely; utterly
N1 · 08 Extremes and impossibility
Says something is extreme, usually in a bad or negative way.
な-adjective stem + 極まる. Typical: 失礼極まる, 不愉快極まる, 危険極まる. Written and rather stiff; usually used for criticism. The form with ない is 〜極まりない.
Examples
約束を破っておいて謝りもしないとは、失礼極まる態度だ。
Breaking the promise and not even apologizing is an utterly rude attitude.
あの崖の上の道は、危険極まる。
The road along that cliff is extremely dangerous.