noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Any of several theories that explain the evolution of systems or organisms. countable, usually
2. 2
   (biology) a scientific theory of the origin of species of plants and animals wordnet
3. 3
   The belief in the universal presence of evolution. uncountable, usually
4. 4
   The advocacy of Darwinian evolution by natural selection (Darwinism). uncountable, usually

Synonyms

All synonyms

casuistryempiricismgolden rulehedonismstoicismtheory of evolution

Etymology

From evolution + -ism.

Related phrases

creationary evolutionismcultural evolutionismdeistic evolutionismsocial evolutionismsociocultural evolutionismtheistic evolutionismnatural selection

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