Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun motormouth

1 sense of motormouth

Sense 1
motormouth -- (someone who talks incessantly; "I wish that motormouth would shut up")
       => speaker, talker, utterer, verbalizer, verbaliser -- (someone who expresses in language; someone who talks (especially someone who delivers a public speech or someone especially garrulous); "the speaker at commencement"; "an utterer of useful maxims")