psy·cho·log·i·cal | \ ˌsī-kə-ˈlä-ji-kəl \
variants: or less commonly psychologic \ˌsī-kə-ˈlä-jik \

Definition of psychological 

1a : of or relating to psychology

b : mental

2 : directed toward the will or toward the mind specifically in its conative function psychological warfare

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Other words from psychological

psychologically \ˌsī-kə-ˈlä-ji-k(ə-)lē \ adverb

Synonyms & Antonyms for psychological


cerebral, inner, intellectual, interior, internal, mental



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Examples of psychological in a Sentence

a psychological rather than a physical condition suffered from psychological disorders all of his life

Recent Examples on the Web

But is the problem with privacy-obviating social networks, psychological profiling, and political microtageting that some researcher violated Facebook’s terms of service? Alexis C. Madrigal, The Atlantic, "What Took Facebook So Long?," 18 Mar. 2018 Ways to use color in your garden to produce different physical and psychological results. Courant Community, "Community News For The Valley Edition," 5 June 2018 His support crew will be monitoring his physical and psychological well-being, another part of the expedition’s research. NBC News, "Man begins to swim across Pacific Ocean, garbage patch and all," 5 June 2018 Most Kentucky residents surveyed in the Interact poll responded that addiction is both physical and psychological disease. Terry Demio,, "Is addiction a disease? New poll shows what most Kentucky residents think," 25 Apr. 2018 Jacqueline Wright plays a suicidal woman who forms an emotional bond with a violent home invader in this perverse psychological thriller based on her stage play. Frank Scheck, The Hollywood Reporter, "'Eat Me': Film Review," 5 July 2018 Perhaps the problem is more psychological than somatic. Peter Haldeman, New York Times, "The Secret Price of Pets," 4 July 2018 Wardle metes out details slowly, with an eye toward suspense, pacing the story almost like a psychological thriller. Julia Felsenthal, Vogue, "Three Identical Strangers Revisits a Shadowy Scientific Conspiracy," 29 June 2018 Each successive traumatic experience increases children’s likelihood of experiencing psychological problems. Heather Souvaine Horn, The New Republic, "An essential reading list for World Refugee Day.," 20 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'psychological.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of psychological

circa 1688, in the meaning defined at sense 1a

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Phrases Related to psychological

psychological warfare

Statistics for psychological

Last Updated

3 Sep 2018

Look-up Popularity

Time Traveler for psychological

The first known use of psychological was circa 1688

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English Language Learners Definition of psychological

: of or relating to the mind

: of or relating to the study of the mind : of or relating to psychology


psy·cho·log·i·cal | \ ˌsī-kə-ˈlä-ji-kəl \

Kids Definition of psychological

: of or relating to psychology or the mind psychological research psychological distress


psy·cho·log·i·cal | \ ˌsī-kə-ˈläj-i-kəl \
variants: also psychologic \-ik \

Medical Definition of psychological 

1a : relating to, characteristic of, directed toward, influencing, arising in, or acting through the mind especially in its affective or cognitive functions psychological phenomena the psychological aspects of a problem

b : directed toward the will or toward the mind specifically in its conative function psychological warfare

2 : relating to, concerned with, deriving from, or used in psychology psychological research psychological tests a psychological clinic

Other words from psychological

psychologically \ \ adverb

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Comments on psychological

What made you want to look up psychological? Please tell us where you read or heard it (including the quote, if possible).


occurring twice a year or every two years

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