不可

not allowed, prohibited

ɸ ɯ̟̊ k a̠
not; un- + approval; acceptance
noun Rare #41,321
not allowed, prohibited Used especially in formal or written contexts, such as rules, signs, and official notices.
JA: この部屋への立ち入りは不可です。
EN: Entering this room is not allowed.

結果はもなく不可なしと言ったところです

The results were about average—neither good nor bad.

答えをドーソン兵長不可をつけたのは彼が罪を犯したからです

I marked Private Dawson's answer as incorrect because he committed a crime.

— ア・フュー・グッドメン (1992)

全体として彼の作品はなし不可なしです

Overall, his work is just average.

それはもなく不可でもなしというところだ

I’d say it’s neither acceptable nor unacceptable.

Sounds similar to