badmouth

/ˈbæd.maʊθ/

//ˈbæd.maʊθ// verb

"badmouth" is a 8-letter English headword indexed on PlainSpell.

The verdict

“badmouth” is an uncommon English word, ranked #88,089 in English word frequency and used as a verb.

#88,089
frequency rank, English
8
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - To criticize or malign, especially unfairly or spitefully.

Key facts for badmouth
PropertyValue
Headwordbadmouth
LanguageEnglish
Part of speechVerb
IPA/ˈbæd.maʊθ/
Letters8
Frequency rank#88,089
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “badmouth” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). badmouth lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for badmouth is 8 letters long, classified as a verb, and transcribed in the International Phonetic Alphabet as /ˈbæd.maʊθ/. Corpus data places it at rank #88,089 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. The dominant gloss from Wiktionary reads: "To criticize or malign, especially unfairly or spitefully.".

No misspelling variants are generated for badmouth in our index, a straightforward case of a spelling with little room for common typos. We don't track a confusable pairing for this entry, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: Calque of a Mande term, perhaps Vai [Term?] or Mandinka [Term?], which entered English via Gullah [Term?]. Compare Japanese 悪口(わるぐち) (waruguchi, “badmouthing”), which is a compound of 悪(わる) (waru, “bad, wicked”) and 口(くち) (kuchi, “mouth”). The correct English form is badmouth, spelled B-A-D-M-O-U-T-H.

Definition

  1. 1
    To criticize or malign, especially unfairly or spitefully.

Etymology

Calque of a Mande term, perhaps Vai [Term?] or Mandinka [Term?], which entered English via Gullah [Term?]. Compare Japanese 悪口(わるぐち) (waruguchi, “badmouthing”), which is a compound of 悪(わる) (waru, “bad, wicked”) and 口(くち) (kuchi, “mouth”).

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); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "badmouth"?
"badmouth" is spelled B-A-D-M-O-U-T-H. The IPA pronunciation is /ˈbæd.maʊθ/.
What does "badmouth" mean?
As a verb, "badmouth" means: To criticize or malign, especially unfairly or spitefully.
How do you pronounce "badmouth"?
The IPA (International Phonetic Alphabet) transcription for "badmouth" is /ˈbæd.maʊθ/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "badmouth"?
Calque of a Mande term, perhaps Vai [Term?] or Mandinka [Term?], which entered English via Gullah [Term?]. Compare Japanese 悪口(わるぐち) (waruguchi, “badmouthing”), which is a compound of 悪(わる) (waru, “bad, wicked”) and 口(くち) (kuchi, “mouth”). 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.

Using “badmouth”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is B-A-D-M-O-U-T-H - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈbæd.maʊθ/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more English words and confusable pairs in the same reference. English words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list