禁物

taboo, forbidden thing

kʲ ĩ mː o̞ t͡s ɨ
noun Rare #21,279
taboo, forbidden thing Often used in the pattern ~は禁物です, meaning “~ is a no-no” or “you must not ~.”
JA: この仕事では焦りは禁物です。
EN: In this job, rushing is a no-no.

彼女に太ったなんて言うのは禁物

You must never tell her that she’s gotten fat.

食べ過ぎ禁物です

You shouldn’t eat too much.

油断禁物

Don't let your guard down.

— RRR (2022)

スピードの出しすぎ禁物だぞ

Don't drive too fast!

— 甘い生活 (1960)

料理弱気禁物

Don't be timid when it comes to cooking.

— レミーのおいしいレストラン (2007)

過信禁物だよ

Don’t get overconfident.

あなたにも禁物ですよ

You should avoid it too.

— 最強のふたり (2011)

油断禁物だよ

Don't let your guard down.

旅行に荷物が多すぎるのは禁物

You shouldn't bring too much luggage when traveling.

スピードの出しすぎ禁物

Don't drive too fast!

— 甘い生活 (1960)