narcissisticEnglishOxford New American Dictionarynarcissistic /ˌnärsəˈsistik, ˌnɑrsəˈsɪstɪk / ▸ adjective having an excessive or erotic interest in oneself and one's physical appearance: a narcissistic actress. ▪ relating to narcissism: narcissistic personality disorder. – DERIVATIVES narcissistically /ˌnärsəˈsistik(ə)lē/ adverb