Dictionary.com
Thesaurus.com

behaviorist

American  
[bi-hayv-yer-ist] / bɪˈheɪv yər ɪst /

noun

  1. Psychology. a person who subscribes to behaviorism, either theoretically or in its application to clinical practice.

adjective

  1. Psychology. relating to, adhering to, or promoting behaviorism.

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.