psychological

adjective

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

variants or less commonly psychologic

ˌsī-kə-ˈlä-jik 

1

a

: of or relating to psychology

psychological research

b

: of, relating to, or occurring in the mind : mental

psychological distress

psychological disorders

2

: directed toward, influencing, or acting on the mind especially in relation to an individual's willpower or behavioral motivation

psychological warfare

psychological strategies

psychologically

ˌsī-kə-ˈlä-ji-k(ə-)lē 

adverb

Since losing its Winston Cup [NASCAR] races, the town of North Wilkesboro has suffered economically and psychologically.

—Derek H. Alderman et al.

To gas light is to psychologically manipulate a person to the point where they question their own sanity …

—Lauren Duca

Synonyms

• cerebral
• inner
• intellectual
• interior
• internal
• mental

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

Of that total, universities spent a bit more than $3.6 billion on social science research and $1.6 billion on psychological research. —Michael T. Nietzel, Forbes, 2 Jan. 2025

On The Western Front, German director Edward Berger heads to the casinos of Macau for this psychological thriller starring Colin Farrell as a high-stakes gambler who decides to lay low in the peninsular when past lies and debts catch up with him. —Andreas Wiseman, Deadline, 1 Jan. 2025

Studies on military personnel who survived plane crashes from the 1970s to 1990s found that the events led to psychological symptoms in survivors, their spouses, squadron members, emergency responders and witnesses alike. —George Monastiriakos, Newsweek, 30 Dec. 2024

Among the psychological and emotional factors Dev and her colleagues considered were isolation, confinement, distance from home, overwork, disruption of circadian rhythms, and sleep deprivation. —Jeffrey Kluger, TIME, 29 Dec. 2024

Word History

First Known Use

circa 1787, in the meaning defined at sense 1b

Phrases Containing psychological

• psychological moment
• psychological warfare

Kids Definition

psychological

adjective

psy·​cho·​log·​i·​cal ˌsī-kə-ˈläj-i-kəl 

variants also psychologic

-ˈläj-ik 

1

a

: of or relating to psychology

psychological research

b

: of, relating to, or occurring in the mind : mental

psychological distress

psychological disorders

2

: meant to influence the will or mind

psychological warfare

psychologically

-i-k(ə-)lē 

adverb

Medical Definition

psychological

adjective

psy·​cho·​log·​i·​cal ˌsī-kə-ˈläj-i-kəl 

variants also psychologic

-ik 

1

a

: 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, influencing, or acting on the mind especially in relation to an individual's willpower or behavioral motivation

psychological warfare

2

: relating to, concerned with, deriving from, or used in psychology

psychological research

psychological tests

a psychological clinic

psychologically

-ē

adverb