Standard Lemma guide

motormouth

noun · verb · 3 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

One who talks very quickly or incessantly; a chatty or loquacious person.

Definition source: English Wiktionary via Wiktextract

Usage: informal

Examples

  • He's such a motormouth that I can never get a word in.

Meaning relationships

Synonyms: airbag, babblemouth, babbler, bag of wind, blab, blabberer, blatherer, blabbermouth, blatherskite, bloviator, chatterbag, chatter-basket, chatterbox, chatterer, Chatty Cathy, chewet, gabbler, gasbag, jabberer, jangler, Mag, motormouth, patterer, prater, prattler, rattle, tongue-pad, twaddler, windbag, yapper, yakker

Antonyms: none provided

2

verb

Meaning 2

To talk very quickly or incessantly.

Definition source: English Wiktionary via Wiktextract

Usage: informal, intransitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

someone who talks incessantly

Definition source: Princeton WordNet 3.0

Examples

  • I wish that motormouth would shut up

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: speaker, talker, utterer, verbalizer, verbaliser

History

Etymology

From motor + mouth, from the figurative notion that the mouth moves so much that it seems motorized.

Across languages

Translations

8 source translations are retained for this English entry.

  • Finnish: moottoriturpa — one who talks very quickly or incessantly
  • Finnish: moottorisuu — one who talks very quickly or incessantly
  • French: verbomoteur — one who talks very quickly or incessantly
  • French: verbomotrice — one who talks very quickly or incessantly
  • German: Quasselstrippe — one who talks very quickly or incessantly
  • Polish: gaduła — one who talks very quickly or incessantly
  • German: quasseln — to talk very fast or incessantly
  • Polish: nawijać — to talk very fast or incessantly