psychological warfare

American  

noun

1. the use of propaganda, threats, and other psychological techniques to mislead, intimidate, demoralize, or otherwise influence the thinking or behavior of an opponent.

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psychological warfare British  

noun

1. the military application of psychology, esp to propaganda and attempts to influence the morale of enemy and friendly groups in time of war

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Etymology

Origin of psychological warfare

First recorded in 1935–40

Example Sentences

During times of unrest, Tharallah coordinates intelligence, policing and the Basij, as well as psychological warfare.

From The Wall Street Journal • Mar. 4, 2026

One border region, Ganghwa county, said in a statement: "We hope this decision will lead to an end to North Korea's noise-based psychological warfare, allowing our residents to return to their normal daily lives."

From BBC • Jun. 11, 2025

The Army’s psychological warfare soldiers are using their brand of mental combat to bring in what the service needs: recruits.

From Seattle Times • May 1, 2024

He ended up being an outspoken opponent of psychological warfare after World War II.

From Los Angeles Times • Jan. 12, 2024

Despite our success as a team, however, I was still wading through the minefield of micro-aggressions and psychological warfare from my teammates and the coaching staff.

From "Proud" by Ibtihaj Muhammad