psychologist

noun

psy·​chol·​o·​gist sī-ˈkä-lə-jist 

plural psychologists

: a person who specializes in the study of mind and behavior or in the treatment of mental, emotional, and behavioral disorders : a specialist in psychology

Examples of psychologist in a Sentence

Recent Examples on the Web

Joel Pearson, a neuroscientist and psychologist at the University of New South Wales, in Australia, co-authored a study in which participants chose between two images—red or green stripes—while in an fMRI machine. —Valerie Trapp, The Atlantic, 4 Dec. 2025

Jodie Whittaker, who plays team psychologist Pippa Grange, is also pictured. —Max Goldbart, Deadline, 4 Dec. 2025

Given the advancements in technology that are now part of our kids’ lives, Lian Liu, PhD, a pediatric psychologist with Nemours Children's Health, points out that embarrassment—a normal part of growing up, to be fair—can be more acute and intense than in the past. —Melissa Willets, Parents, 3 Dec. 2025

Many psychologists argue that humans possess mental shortcuts for reasoning about how the world works. —Eli Elster, The Conversation, 2 Dec. 2025

Word History

First Known Use

1871, in the meaning defined above

Phrases Containing psychologist

• clinical psychologist

Rhymes for psychologist

• apologist
• biologist
• ecologist
• ethnologist
• geologist
• hydrologist
• neurologist
• oncologist
• pathologist
• philologist
• technologist
• urologist

Kids Definition

psychologist

noun

psy·​chol·​o·​gist

sī-ˈkäl-ə-jəst

: a specialist in psychology

Medical Definition

psychologist

noun

psy·​chol·​o·​gist sī-ˈkäl-ə-jəst 

: a specialist in psychology

especially : a practitioner of clinical psychology, counseling, or guidance