adj ·Rare ·Advanced level

Definitions

Adjective

1. 1
   Having a large head. not-comparable
2. 2
   Having the cotyledons of a dicotyledonous embryo confluent, and forming a large mass compared with the rest of the body. not-comparable

Adjective

1. 1
   having an exceptionally large head and brain wordnet

Synonyms

All synonyms

macrocephalicmacrocephalic

Etymology

From macro- + -cephalous.

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