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
WordReference Random House Unabridged Dictionary of American English © 2025
ev•o•lu•tion•ist
(ev′ə lo̅o̅′shə nist or, esp. Brit., ē′və-),USA pronunciation n.
adj. Also, ev′o•lu′tion•is′tic.
ev′o•lu′tion•ism, n.
ev′o•lu′tion•is′ti•cal•ly, adv.
- Biologya person who believes in or supports a theory of evolution, esp. in biology.
- Biologya person who supports a policy of gradual growth or development rather than sudden change or expansion.
adj. Also, ev′o•lu′tion•is′tic.
- of or pertaining to evolution or evolutionists.
- Biologybelieving in or supporting a theory of evolution, esp. in biology.
- evolution + -ist 1855–60
ev′o•lu′tion•is′ti•cal•ly, adv.
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