- The definition of defunct is a person or thing that no longer lives or exists.
- An example of defunct are dinosaurs.
- An example of defunct is the Soviet Union.
Origin: Classical Latin defunctus, past participle of defungi, to do, finish, die ; from de-, from, off plush fungi, to perform: see de- and amp; function
Used by arrangement with John Wiley & Sons, Inc.
Origin: Latin dēfūnctus, past participle of dēfungī, to finish : dē-, de- + fungī, to perform.
- de·funcˈtive adjective
- de·functˈness noun