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1. Biology Headless or lacking a clearly defined head: acephalous worms.
2. Having no leader.

[From Medieval Latin acephalus, from Greek akephalos : a-, without; see a-1 + kephalē, head; see -cephalous.]


1. (Biology) biology Also: acephalic having no head or one that is reduced and indistinct, as certain insect larvae
2. having or recognizing no ruler or leader
[C18: via Medieval Latin from Greek akephalos. See a-1, -cephalic]


(eɪˈsɛf ə ləs)

1. Also, a•ce•phal•ic (ˌeɪ səˈfæl ɪk) headless; lacking a distinct head.
2. without a leader or ruler.
[1725–35; < Greek aképhalos; see a-6, -cephalous]


- A manuscript lacking a beginning could be called acephalous.
See also related terms for manuscript.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.acephalous - lacking a head or a clearly defined headacephalous - lacking a head or a clearly defined head; "acephalous worms"
biological science, biology - the science that studies living organisms
headless - not having a head or formed without a head ; "the headless horseman"; "brads are headless nails"


[əˈsefələs] ADJacéfalo
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References in periodicals archive ?
The chief danger is that the consequent acephalic drift will lead to increased global instability and conflicts.
Adding insult to injury, the Vikings then discard the king's head in the woods, leaving the acephalic body for his people to mourn, a potent symbol of a shattered realm.
Corporations and governments have an interest in our attention: the difficulty lies in localizing the source of power, or better, seeing power at play in the first place, since we are all complicit in the algorithmatized shaping and representing of our desires, not to mention that we get Google and Facebook for "free." Digitalization creates the conditions for an "acephalic conspiracy" (39), but the manipulators still exist.
Marthe is an apparently female but acephalic form disfigured by waxy excrescences, bodily limbs transforming into fibrous, barkless tendrils.
This double-folded immersion in the conch is a return to omphalos, to the concentric life of the acephalic mollusk, which recovers the innocence of the child like androgyne by returning to the womb at the originary state in which chromosomes have not yet been sorted out.
An aberrant acephalic metacestode and other parasites of Masticophis flagellum (Reptilia: Serpentes) from Texas.