off one's head

prep_phrase

"off-one-s-head" is a 11-letter English headword indexed on PlainSpell.

The verdict

“off one's head” is uncommon English (outside the top frequency list), classed as a prep_phrase. The kind of spelling people second-guess.

Unranked
below top-frequency English
14
letters

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

Corpus desk

Index EN-off-one-s-head · off one's head · English

off one's head · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 14 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "O" 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 off one's head
PropertyValue
Headwordoff one's head
LanguageEnglish
Part of speechPrep_phrase
Letters14
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “off one's head” sits in English frequency

off one's head falls 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

off one's head is uncommon English outside the top frequency list, classed as aprep_phrase. Rarity is why readers land here mid-draft. 3 senses are on record.

The misspelling generator found no plausible variants for off one's head, since its letter sequence doesn't invite the usual edit-distance slips. Our dataset records no confusable match here, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Our source data has no etymology on file for this entry, so its spelling pattern is best understood through pronunciation rather than a traceable origin. The correct English form is off one's head, spelled O-F-F- -O-N-E-'-S- -H-E-A-D.

Definition

  1. 1
    Insane, crazy.
  2. 2
    Temporarily mentally unstable; very distressed.
  3. 3
    Under the influence of drugs.

Recorded use

Wiktionary examples

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

  1. The kettles they boiled with rage, 'tis said/While ev'ry nail went off its head[…]
  2. When I had finished I went and saw poor Leo, who was quite off his head, and did not even know me.

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.

PlainSpell is rendered directly from structured Wiktionary extracts and open word-frequency lists, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of September 3, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.

Frequently Asked Questions

How do you spell "off one's head"?
"off one's head" is spelled O-F-F- -O-N-E-'-S- -H-E-A-D.
What does "off one's head" mean?
As a prep_phrase, "off one's head" means: Insane, crazy.
What language does "off one's head" come from?
"off one's head" is a English word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
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.

What to do next

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PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.

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