behaviorist

noun

be·​hav·​ior·​ist bi-ˈhā-vyə-rist 

bē-

1

: a person who advocates or practices behaviorism

2

: a person who specializes in the study of behavior

an animal behaviorist

behaviorist adjective

Examples of behaviorist in a Sentence

Recent Examples on the Web

Veterinarians and animal behaviorists point to a range of explanations. — Ryan Brennan, Sacbee.com, 15 July 2026

The pet behaviorist also recommends developing a plan for moments when a pet will be outside their carrier, such as during security checks at the airport or bathroom breaks on a road trip. — Kelli Bender, PEOPLE, 13 July 2026

Immediately consult your vet or an animal behaviorist in case of an emergency or to medicate an anxious pet before the fireworks. — Saman Shafiq, USA Today, 3 July 2026

The stage was set for marketing to become more interdisciplinary by adopting a scientific consumer-behaviorist perspective. — Encyclopedia Britannica, 27 Apr. 2026

Word History

First Known Use

1913, in the meaning defined at sense 1

Rhymes for behaviorist

• behaviourist

Medical Definition

behaviorist

1 of 2 noun

be·​hav·​ior·​ist

variants or chiefly British behaviourist

-rəst 

1

: a person who advocates or practices behaviorism

2

: a person who specializes in the study of behavior

Animal behaviorists are often consulted regarding such problems as aggression, self-mutilation, food aversion and inappropriate urination or defecation.

—Tom Ewing, Dog Watch

behaviorist

2 of 2 adjective

: of or relating to behaviorism

behaviorist psychology