From Longman Dictionary of Contemporary Englishpsychological warfarepsychological warfareMINDbehaviour intended to make your opponents lose confidence or feel afraid → psychological
Examples from the Corpus
psychological warfare• A portable sound system blared military marches, part of a continuing campaign of psychological warfare.• Secrecy was out of the question; it would riot have been psychological warfare.• As a last resort he decided to take a leaf out of the Oriental's book, by using psychological warfare against him.• During the war he worked in psychological warfare, and doubtless learnt many of his more infuriating tricks of debating and persuasion.• Like the military machinery, the psychological warfare gets ever more sophisticated.• Fred made up for his lack of inches by waging psychological warfare in the form of a relentless monologue.• But no one was better equipped for the psychological warfare that lay ahead. 