se·​lec·​tion·​ist | \ sə-ˈlek-sh(ə-)nist How to pronounce selectionist (audio) \

Definition of selectionist

: one who considers natural selection a fundamental factor in evolution

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Other Words from selectionist

selectionist adjective

Examples of selectionist in a Sentence

Recent Examples on the Web For Townsend, the ongoing debate between neutralists and selectionists isn’t particularly fruitful. Quanta Magazine, 8 Nov. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'selectionist.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of selectionist

1892, in the meaning defined above

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Time Traveler for selectionist

Time Traveler

The first known use of selectionist was in 1892

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Dictionary Entries Near selectionist



selection rule

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Cite this Entry

“Selectionist.” Dictionary, Merriam-Webster, Accessed 18 Oct. 2021.

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More Definitions for selectionist


se·​lec·​tion·​ist | \ sə-ˈlek-sh(ə-)nəst How to pronounce selectionist (audio) \

Medical Definition of selectionist

: a person who considers natural selection a fundamental factor in evolution


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