mouth off

1. 1.

   talk in a noisy, excited, or declamatory manner

   Synonymsrantjabberspoutrabbit onrave

   Broadertalk

Questions about mouth off

What does mouth off mean?

mouth off means "talk in a noisy, excited, or declamatory manner".

What is another word for mouth off?

Close synonyms include rant, jabber, spout, rabbit on, rave. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is mouth off a common word?

mouth off is banded "Uncommon" — turns up in careful writing rather than conversation. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.