極きわまりない

suffix, i-adjective

extremely; in the extreme; utterly

Suffix attached to nouns (often abstract qualities) to express an extreme degree. Common in formal or written language. The kana spelling is frequent in this usage.

• 彼かれの態たい度どは失しつ礼れい極きわまりない。

  His attitude is extremely rude.

• その提てい案あんは危き険けん極きわまりないものだ。

  That proposal is utterly dangerous.

i-adjective

boundless; limitless; infinite

Used as a standalone adjective to describe something vast and without limits, such as the universe or ocean. More literary than the suffix use.

• 極きわまりない宇う宙ちゅうの広ひろがりを思おもう。

  I think about the boundless expanse of the universe.