open one's mouth

verb

to speak

“I advise you: don't open your mouth at the dinner.”

Opposite
shut one's mouth
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Meanings

verbopen one's mouth (third-person singular simple present opens one's mouth, present participle opening one's mouth, simple past and past participle opened one's mouth)

present singular third person opens one's mouth · participle present opening one's mouth · participle past opened one's mouth · past opened one's mouth

  1. idiomaticto speak

    I advise you: don't open your mouth at the dinner.

    Antonyms: shut one's mouth

Synonyms & antonyms

verbto speak

Opposite
shut one's mouth
Also see
mootspeakutter

Rhymes & wordplay

Rhymes with open one's mouth

southmouthAlnmouthConception Bay SouthdouthHumber Arm SouthPortugal Cove SouthSerpent's Mouth
All rhymes →
Cite this entry
APA

open one's mouth. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/open%20one's%20mouth

MLA

“open one's mouth.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/open%20one's%20mouth. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “open one's mouth,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/open%20one's%20mouth.

Source: open one's mouth on Wiktionary, CC BY-SA 4.0.