禁物(きんもつ)

きんもつ
noun
taboo, something to avoid
abstract
1. taboo, something forbidden, something to avoid
Something that should be avoided or refrained from in a particular situation. Often used in the pattern ~は禁物(きんもつ) (... is something to be avoided) to warn against certain behaviors or actions.
油断(ゆだん)は禁物(きんもつ)だ。
Carelessness is to be avoided.
病気(びょうき)のときは無理(むり)は禁物(きんもつ)です。
You must avoid overexerting yourself when you are sick.
Staying up late is to be avoided the night before an exam, so go to bed early.

Usage

Almost always appears in the pattern ~は禁物(きんもつ)だ, functioning as a warning or advice that something should be avoided. This is an idiomatic expression rather than a word used freely in various grammatical constructions.

Common collocations