open one's mouth

idiom

: to speak
He says something stupid every time he opens his mouth.

Dictionary Entries Near open one's mouth

Cite this Entry

“Open one's mouth.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/open%20one%27s%20mouth. Accessed 22 Dec. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!