barking mad

/bɑːkɪŋ mæd/

//bɑːkɪŋ mæd// adj

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

The verdict

“barking mad” is uncommon English (outside the top frequency list), classed as an adjective. The kind of spelling people second-guess.

Unranked
below top-frequency English
11
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Completely insane.

Corpus desk

Index EN-barking-mad · barking mad · English

barking mad · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 11 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "B" 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 barking mad
PropertyValue
Headwordbarking mad
LanguageEnglish
Part of speechAdjective
IPA/bɑːkɪŋ mæd/
Letters11
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “barking mad” in English

barking madsits beyond the 100,000 most-frequent English words, in the long tail of technical, archaic, or otherwise rare vocabulary where spelling doubt tends to strike hardest.

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

Rare enough to double-check

barking mad is uncommon English outside the top frequency list, classed as anadjective, transcribed /bɑːkɪŋ mæd/. Rarity is why readers land here mid-draft. Gloss: "Completely insane.".

barking mad doesn't appear in our generated misspelling index, since its letter pattern doesn't lend itself to common typo substitutions. Our dataset records no confusable match here, since nothing in our dataset looks or sounds close enough to cause mix-ups.

Etymologically, the entry records: From barking + mad. The correct English form is barking mad, spelled B-A-R-K-I-N-G- -M-A-D.

Definition

  1. 1
    Completely insane.

Etymology

From barking + mad.

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 "barking mad"?
"barking mad" is spelled B-A-R-K-I-N-G- -M-A-D. The IPA pronunciation is /bɑːkɪŋ mæd/.
What does "barking mad" mean?
As an adjective, "barking mad" means: Completely insane.
How do you pronounce "barking mad"?
The IPA (International Phonetic Alphabet) transcription for "barking mad" is /bɑːkɪŋ mæd/. 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 "barking mad"?
From barking + mad. 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