motormouth

noun

"motormouth" is a 10-letter English headword indexed on PlainSpell.

The verdict

“motormouth” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
10
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - One who talks very quickly or incessantly; a chatty or loquacious person.

Corpus desk

Index EN-motormouth · motormouth · English

motormouth · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 10 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "M" thin
  • PHOTO-UNK Peer pending

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for motormouth
PropertyValue
Headwordmotormouth
LanguageEnglish
Part of speechNoun
Letters10
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “motormouth” in English

motormouthfalls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

motormouth is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "One who talks very quickly or incessantly; a chatty or loquacious person.".

Zero misspellings are on record for motormouth in our index, suggesting the orthography follows predictable English patterns. This entry stands alone in our confusable dataset, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: From motor + mouth, from the figurative notion that the mouth moves so much that it seems motorized. The correct English form is motormouth, spelled M-O-T-O-R-M-O-U-T-H.

Definition

  1. 1
    One who talks very quickly or incessantly; a chatty or loquacious person.

Recorded use

Wiktionary examples

These source excerpts show how motormouth appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. He's such a motormouth that I can never get a word in.
  2. Blimey, Brand is checking a word with me. This is nothing like the motor-mouth on the telly, laughing in the face of everything.

Etymology

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

This word in other languages

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "motormouth"?
"motormouth" is spelled M-O-T-O-R-M-O-U-T-H.
What does "motormouth" mean?
As a noun, "motormouth" means: One who talks very quickly or incessantly; a chatty or loquacious person.
What is the origin of the word "motormouth"?
From motor + mouth, from the figurative notion that the mouth moves so much that it seems motorized. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list