(idiomatic) (in a positive sense) Having a sweet and smooth voice; eloquent.

Using foul or scurrilous language; slanderous.

Not sensitive to the bit; not easily governed. / Hard-featured about the mouth.

Alternative spelling of bigmouthed

Expanding at the mouth.

(obsolete) Having a projecting under jaw; prognathous.

simple past tense and past participle of mean-mouth

Of a sheep: having developed all of its permanent teeth.

A first aid technique to return an unconscious person's respiration by pressing the rescuer's mouth against the mouth of the patient and blowing air into his/her lungs.

plural of mouth-to-mouth resuscitation