/ Dictionary / Index P psychologist: Meaning and Definition of Find definitions for: psy•chol•o•gist Pronunciation: (sī-kol'u-jist), [key] — n. a specialist in psychology. an adherent to or advocate of psychologism. —adj. of or pertaining to psychologism. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: psychologist (Thesaurus) psychologism psychologize Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language