mouth

noun

The opening in the face used for eating, speaking, and breathing.

"She opened her mouth to speak."

verb

To form words silently with the lips, or to articulate them clearly.

"He mouthed a silent 'thank you'."

Thesaurus

Synonyms: mouthpiece, oral cavity, rima oris, oral fissure, back talk, backtalk, sassing, sass, lip, verbalize, talk, speak