Denizens meaning : An inhabitant of a place; one who dwells in. One who frequents a place. A person with rights between those of naturalized citizen and resident alien (roughly permanent resident), obtained through letters patent. An animal or plant from a particular range or habitat. A foreign word that has become naturalised in another language. To grant rights of citizenship to; to naturalize. To provide with denizens; to populate with adopted or naturalized occupants.