also: エヌジー
no good; not allowed; unacceptable
Colloquial term used to reject something as not meeting a standard, often in media production, quality checks, or casual conversation.
このテイクはＮＧだ。もう一度撮り直そう。
This take is no good. Let's shoot it again.
遅刻はＮＧです。
Being late is not allowed.
outtake; blooper; retake
Used in film, TV, or recording contexts for a rejected take, often shown as a blooper reel.
番組の最後にＮＧ集が流れた。
A blooper reel was shown at the end of the program.
Taking photos is not allowed without company permission.
彼はセリフを間違えて何度もＮＧを出した。
He kept flubbing his lines and messed up several takes.
Let's check beforehand what behaviors are off-limits in an interview.
They showed the blooper scenes at the end of the program.
禁止 specifically means "prohibited" by rule, while ＮＧ more loosely marks something as unacceptable or a mistake.
OK means something is fine or approved, the direct opposite of ＮＧ meaning it is rejected or not allowed.
Abbreviation of English 'no good', adopted into Japanese as a colloquial term.