usur·pa·tive \yüˈsərpəd.iv sometimes -ˈzər-\adjective Etymology: Late Latin usurpativus wrongly used, from Latin usurpatus (past participle of usurpare to usurp) + -ivus -ive : of or constituting usurpation : usurping < the tyranny of some usurpative minority — Nineteenth Century & After >