denizen UK /ˈdɛn.ɪ.zən/US /ˈdɛn ə zən/noun 5verb 2forms 3 noun5 •An inhabitant of a place; one who dwells in a certain place.The giant squid is one of many denizens of the deep. •An animal or plant from a particular range or habitat.The bald eagle is a denizen of the northern part of the state. •One who frequents a place.The denizens of that pub are of the roughest sort. •(UK, historical) A person with rights between those of naturalized citizen and resident alien (roughly permanent resident), obtained through letters patent.Though born in Iceland, he became a denizen of Britain after leaving Oxford. •A foreign word that has become naturalised in another language in terms of use, but not in terms of form. verb2 •(UK, historical) To grant rights of citizenship to; to naturalize.He was denizened to Ireland after fleeing his home country. •To provide with denizens; to populate with adopted or naturalized occupants.There were a few islets in the sand […] . These were at once denizened by the Calotropis, Argemone, Tamarix, Gnaphalium luteoalbum and two other species […] . — 1849 formsdenizened · denizening · denizens