extreme
extremely
Structure
- な-Adjective + 極まりない ・ 極まる
- な-Adjective + 極まりない ・ 極まる + Noun
極まりない is used more often than 極まる. Note that 極まりない is not a negative form of 極まる
but 極まり with suffix ない, making it an adjective.
[Someone or something is in an extreme (often negative) state]