Full Definition of DISPLACE. transitive verb. 1. b: to remove from an office, status, or job c obsolete: to drive out: banish.2. b: to take the place of (as in a chemical reaction) : supplant. — dis·place·able \-ˈplā-sə-bəl\ adjective. See displace defined for English-language learners. See displace defined for kids.isplace implies an ousting or dislodging. supplant implies either a dispossessing or usurping of another's place, possessions, or privileges or an uprooting of something and its replacement with something else. supersede implies replacing a person or thing that has become superannuated, obsolete, or otherwise inferior.