rightsowner/ˈɹaɪts.əʊnə(ɹ)/EtymologyFrom rights + owner.rightsowner means synonym of rightsholder. Lexicurio rates it Rare gem — a strength score of 83 out of 100.rightsowner is pronounced /ˈɹaɪts.əʊnə(ɹ)/.nounSynonym of rightsholder.