Last Updated：2025/11/22

(idiomatic, US) To be careful about what one says, especially with regard to disrespectful or profane language.

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watch one's mouth

Source Word

watch one's mouth

Verb

US idiomatic

(idiomatic, US) To be careful about what one says, especially with regard to disrespectful or profane language.

Japanese Meaning

不用意な、または侮辱的・下品な発言を避ける、言葉遣いに十分注意する

It's important to watch one's mouth in front of guests, because rude language can cause offense.

客の前では言葉遣いに気をつけることが大切です。失礼な言葉は相手を不快にさせることがあります。

Sense（1）

(idiomatic, US) To be careful about what one says, especially with regard to disrespectful or profane language.

Sense（2）

watches one's mouth

（ present singular third-person ）

watching one's mouth

（ participle present ）

watched one's mouth

（ participle past ）

watched one's mouth

（ past ）