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

Domicele Jonauskaite, PhD, experimental color psychologist at the University of Lausanne, Switzerland, says that most people prefer blue or green to orange or yellow, and that lighter colors are preferred over darker shades. —Sophia Beams, Better Homes & Gardens, 6 Nov. 2025

Influencers and child psychologists have tried to make sense of it. —John Seewer, Fortune, 4 Nov. 2025

In the nineteen-eighties, a small team of cognitive psychologists and computer scientists tried to simulate thinking in a machine. —James Somers, New Yorker, 3 Nov. 2025

In her complaint, the psychologist claimed that in early July 2019 another clinician informed her that an inmate at the men’s prison threatened Fischgrund’s life during a therapy session. —William Melhado, Sacbee.com, 3 Nov. 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