おやめなさい

stop, quit

→ やめる
お honorific/polite prefix + やめ stop, quit + なさい Imperative
verb · formal Rare #41,375
stop, quit A polite-sounding but authoritative command, often used to admonish someone.
JA: もうおやめなさい。
EN: Please stop now.
Conjugation of やめる

その言葉を使うのはおやめなさい。

Please stop using that word.

息子さんにそんな厳格になるのはおやめなさい。

Please stop being so strict with your son.

純ちゃんもうおやめなさい

Jun, that's enough. Stop it now.

— High and Low (1963)