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extensionist

American  
[ik-sten-shuh-nist] / ɪkˈstɛn ʃə nɪst /

noun

  1. a person or organization that supports the extension of something.

    A dedicated life extensionist, he believes that one day humanity will live forever through artificial intelligence.

  2. agricultural extensionist.

Etymology

Origin of extensionist

First recorded in 1860–65

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

A filibuster may pass current under some such label as Political or Territorial Extensionist;—the name is a long, decent overcoat for his shabby ideas.

From Project Gutenberg

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.