[ev-uh-loo-shuh-nist or, esp. British, ee-vuh-]


a person who believes in or supports a theory of evolution, especially in biology.
a person who supports a policy of gradual growth or development rather than sudden change or expansion.

adjective Also ev·o·lu·tion·is·tic.

of or relating to evolution or evolutionists.
believing in or supporting a theory of evolution, especially in biology.

Nearby words

  1. evolutionary algorithm,
  2. evolutionary biology,
  3. evolutionary fitness,
  4. evolutionary medicine,
  5. evolutionary psychology,
  6. evolutive,
  7. evolve,
  8. evonymus,
  9. evoo,
  10. evora

Origin of evolutionist

First recorded in 1855–60; evolution + -ist

Related forms
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for evolutionism

British Dictionary definitions for evolutionism



a person who believes in a theory of evolution, esp Darwin's theory of the evolution of plant and animal species


of or relating to a theory of evolution
Derived Formsevolutionism, nounevolutionistic, adjective

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for evolutionism



1859, from evolution + -ist. Related: Evolutionism.

Online Etymology Dictionary, © 2010 Douglas Harper