Home › Words › M › manxnessmanxnessmanxness means the quality of being Manx.EtymologyFrom Manx + -ness.nounThe quality of being Manx.e.g.“It is the island's greatest ceremony, well worth watching if you are there, and totally fascinating in its mad Manxness.” — 2005, Benedict Le Vay, Eccentric Britain, page 89:Definitions & examples from Wiktionary (CC BY-SA 3.0).