motormouth

noun mo·tor·mouth \-ˌmau̇th\

: a person who talks too much

Full Definition of MOTORMOUTH

: a person who talks excessively

— mo·tor·mouthed \-ˌmau̇thd, -ˌmau̇tht\ adjective

See motormouth defined for English-language learners

1955

Synonyms: babbler, blabber, blabbermouth, blowhard, cackler, chatterer, conversationalist, gabbler, gasbag, jabberer, jay, magpie, chatterbox, prattler, talker, windbag

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