BPDalso: ビーピーディーMeanings1nounborderline personality disorder; BPDpsychiatry›Medical term used in psychiatry; often abbreviated as BPD in both English and Japanese.See also: 境界性パーソナリティ症BPDは境きょう界かい性せいパーソナリティ症しょうの略りゃく称しょうです。BPD is an abbreviation for borderline personality disorder.彼かの女じょ