Microcephalic

adj, noun

adj, noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A person with an abnormally small head.
Adjective
  1. 1
    Having an abnormally small head. not-comparable
Adjective
  1. 1
    having an abnormally small head and underdeveloped brain wordnet

Etymology

From French microcéphalique, from Ancient Greek μικρός (mikrós, “small”) + κεφαλή (kephalḗ, “head”).

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