Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb mouth_off

1 sense of mouth off

Sense 1
rant, mouth off, jabber, spout, rabbit on, rave -- (talk in a noisy, excited, or declamatory manner)
       => talk, speak, utter, mouth, verbalize, verbalise -- (express in speech; "She talks a lot of nonsense"; "This depressed patient does not verbalize")