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

However, behavioral psychologist and relationship coach Jo Hemmings told CNN the relationship dynamics behind it were identifiable. —Sophie Tanno, CNN Money, 26 Apr. 2026

In 1949, Donald Hebb, a Canadian psychologist, articulated a theory of learning now known as Hebbian plasticity. —Yasemin Saplakoglu, Quanta Magazine, 24 Apr. 2026

Mateus, a psychologist and makeup artist, was set to represent the state of Bahia in the Miss Cosmo Brazil pageant later this year. —Luke Chinman, PEOPLE, 24 Apr. 2026

Across the world, groups of activists, teachers and psychologists are tackling one of the planet’s most daunting problems with laughter, dancing, hugs and most especially joy. —Seth Borenstein, Fortune, 23 Apr. 2026

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