不適切

inappropriate, improper, unsuitable

ɸ ɯ̟ t e̞ kʲ i s e̞ t͡s ɨ → 不適切だ
不 not; un- + 適切 appropriate, suitable, apt
adjective Rare #41,997
inappropriate, improper, unsuitable Often used for behavior, language, or choices that are not suitable for a situation.
JA: この言い方は不適切だと思います。
EN: I think this way of putting it is inappropriate.

今言ったことを認めることも不適切だ

It is also inappropriate to admit what I just said.

— ムーンライズ・キングダム (2012)

その単語の訳は不適切だと私は思います。

I think that translation of the word is inappropriate.

不適切ですよ

That's inappropriate.

— デッド・ドント・ダイ (2019)

彼は大声で笑ったが、その振る舞いは不適切に思えた。

He laughed loudly, but his behavior seemed inappropriate.