noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The school of thought that heredity is more important than factors such as environment in determining intelligence and behaviour. uncountable, usually
2. 2
   the philosophical doctrine that heredity is more important than environment in determining intellectual growth wordnet

Antonyms

All antonyms

environmentalism

Etymology

From hereditarian + -ism.

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