acephalous

/əˈsɛfələs/

//əˈsɛfələs// adj

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

The verdict

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

Unranked
below top-frequency English
10
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Having no head.

Key facts for acephalous
PropertyValue
Headwordacephalous
LanguageEnglish
Part of speechAdjective
IPA/əˈsɛfələs/
Letters10
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “acephalous” sits in English frequency

acephalous 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

acephalous is uncommon English outside the top frequency list, classed as anadjective, transcribed /əˈsɛfələs/. Rarity is why readers land here mid-draft. 7 senses are on record.

acephalous has no tracked misspelling variants, and the word's spelling is regular enough that our generator found nothing worth flagging. It is not paired with a close-neighbour confusable in our dataset, since nothing in our dataset looks or sounds close enough to cause mix-ups.

Etymologically, the entry records: From French acéphale, from Ancient Greek ἀκέφαλος (aképhalos, “headless”), from ἀ- (a-, “not”) + κεφαλή (kephalḗ, “head”). By surface analysis, a- + -cephalous. The correct English form is acephalous, spelled A-C-E-P-H-A-L-O-U-S.

Definition

  1. 1
    Having no head.
  2. 2
    Without a distinct head.
  3. 3
    Having the style spring from the base, instead of from the apex, as is the case in certain ovaries
  4. 4
    A system of society without centralised state authority, where power is welded amongst groups of community entities e.g. clans. Without a leader or chief.
  5. 5
    Deficient in the beginning, as a line of poetry that is missing its expected opening syllable.
  6. 6
    Lacking the first portion of the text. (of a manuscript)
  7. 7
    Without a beginning.

Etymology

From French acéphale, from Ancient Greek ἀκέφαλος (aképhalos, “headless”), from ἀ- (a-, “not”) + κεφαλή (kephalḗ, “head”). By surface analysis, a- + -cephalous.

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 "acephalous"?
"acephalous" is spelled A-C-E-P-H-A-L-O-U-S. The IPA pronunciation is /əˈsɛfələs/.
What does "acephalous" mean?
As an adjective, "acephalous" means: Having no head.
How do you pronounce "acephalous"?
The IPA (International Phonetic Alphabet) transcription for "acephalous" is /əˈsɛfələs/. 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 "acephalous"?
From French acéphale, from Ancient Greek ἀκέφαλος (aképhalos, “headless”), from ἀ- (a-, “not”) + κεφαλή (kephalḗ, “head”). By surface analysis, a- + -cephalous. 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 “acephalous”

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

  • The one correct English spelling is A-C-E-P-H-A-L-O-U-S - every other letter order is a misspelling in standard orthography.
  • Say it as /əˈsɛfələs/ (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