Mouth off
verb
To speak loudly, often in an impolite or rude manner, typically expressing criticism or displeasure.
He got into trouble for mouthing off to his teacher.

Often appears as...
- mouth off to someone
- mouth off about something
Usage tips
Informal, Disapproving
verb
To express opinions or complaints in a loud, annoying way.
If you mouth off in a meeting, you're likely to upset people.

Often appears as...
- mouth off at work
- mouth off in a meeting
Usage tips
Colloquial, Disapproving
verb
To speak loudly, often in an impolite or rude manner, typically expressing criticism or displeasure.
He got into trouble for mouthing off to his teacher.

Often appears as...
- mouth off to someone
- mouth off about something
Usage tips
Informal, Disapproving
verb
To express opinions or complaints in a loud, annoying way.
If you mouth off in a meeting, you're likely to upset people.

Often appears as...
- mouth off at work
- mouth off in a meeting
Usage tips
Colloquial, Disapproving
Definition 1 of 2

Informal Usage
Used in casual settings among friends, but can be disrespectful in formal situations.

He had no right to mouth off at the party like that.
Negative Emotion
Often shows the speaker is annoyed or has strong negative feelings.

Stop mouthing off about the new policy; nobody likes it.
Avoid in Professionalism
Not recommended in workplaces or professional environments as it's seen as unprofessional.

Mouthing off to the boss could cost you your job.
Informal Usage
Used in casual settings among friends, but can be disrespectful in formal situations.

He had no right to mouth off at the party like that.
Negative Emotion
Often shows the speaker is annoyed or has strong negative feelings.

Stop mouthing off about the new policy; nobody likes it.
Avoid in Professionalism
Not recommended in workplaces or professional environments as it's seen as unprofessional.

Mouthing off to the boss could cost you your job.
Informal Usage
Used in casual settings among friends, but can be disrespectful in formal situations.

He had no right to mouth off at the party like that.
Negative Emotion
Often shows the speaker is annoyed or has strong negative feelings.

Stop mouthing off about the new policy; nobody likes it.
Avoid in Professionalism
Not recommended in workplaces or professional environments as it's seen as unprofessional.

Mouthing off to the boss could cost you your job.
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