An abnormal impulse to buy things, or a condition characterised by such impulses.(noun)
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Use "oniomania" in a sentence
"The literature's first mention of compulsive buying was in the early 1900s by two of Freud's disciples, Eugene Bleuler and Emil Kraepelin, who coined the term oniomania - from the Greek root "onios," which means for sale - to refer to those obsessed with making purchases."
"Compulsive buying was first identified in 1915 by a German doctor who called it "oniomania" for the Greek term "onios," which means "for sale.""
"Many of the actions that Cardella describes in detail are classic symptoms of oniomania."