English Etymology (This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.) Pronunciation IPA(key): /ˈjuːn.jən ˈaɪ̯.lənd/ Hyphenation: Un‧ion Is‧land Rhymes: -aɪlənd Proper noun Union Island An island in Saint Vincent and the Grenadines.Wikiwand - on Seamless Wikipedia browsing. On steroids.