ダメです

dame desu
no good, not allowed, no way

これはダメです。

This is no good.


informal

Used to indicate that something is unacceptable, not allowed, or inappropriate.

ここでタバコを吸うのはダメです。

Smoking here is not allowed.

そんなに遅刻するのはダメです。

It's not acceptable to be that late.

Often used in casual or slightly formal contexts to express disapproval or prohibition.

Related Phrases

ダメダメphrase
terrible, hopeless
ダメ出しphrase
criticism, pointing out flaws

Pro Tip

Politeness Level

While 'ダメです' is informal, it is not overly rude. For more formal contexts, consider using 'いけません'.

Gold Rule

Context Matters

The tone of 'ダメです' can vary from gentle disapproval to strong prohibition depending on context and intonation.

Word Origin

From the negative form 'ダメ' (no good) combined with the polite copula 'です' (desu).

Usage Notes

While 'ダメです' is informal, it can be used in both casual and slightly formal contexts. For more formal situations, 'いけません' is often preferred.

Word Breakdown

ダメ
no good, not allowed
root
+
です
polite copula
suffix
和英辞典