noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The congenital lack of a head. uncountable
2. 2
   absence of the head (as in the development of some monsters) wordnet

Synonyms

All synonyms

acephaliaacephaliaacephaly

Etymology

From a- + cephal- + -ism.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.