Entry 2 senses · 2 variants Webster, 1913 Argentinian · IPA /ɑɹˌd͡ʒənˈtɪ.nɪ.ən/ adj. n. 01 adj. of or pertaining to Argentina or its inhabitants. 1. of or pertaining to Argentina or its inhabitants. Syn. Argentine 02 n. a native or inhabitant of Argentina. 1. a native or inhabitant of Argentina.