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

Keep scrolling for more

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, "Theorists Debate How ‘Neutral’ Evolution Really Is," 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

Keep scrolling for more

Learn More about selectionist

Statistics for selectionist

Look-up Popularity

Time Traveler for selectionist

The first known use of selectionist was in 1892

See more words from the same year

Keep scrolling for more

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

More from Merriam-Webster on selectionist

Rhyming Dictionary: Words that rhyme with selectionist

Comments on selectionist

What made you want to look up selectionist? Please tell us where you read or heard it (including the quote, if possible).


miscellaneous remnants or debris

Get Word of the Day daily email!

Test Your Vocabulary

The Exceptions Quiz III

  • one green toy robot amidst many red toy robots
  • Which of these words does not mean "nonsense"?
True or False

Test your knowledge - and maybe learn something along the way.

Add Diction

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!