Mexico me·xico UK/ˈmɛk.sɪ.kəʊ/ US/ˈmɛ.hi.kəʊ/ common noun 1. a Republic in southern North America; became independent from Spain in 1810 SynonymsUnited Mexican States Related words Word family Mexico City Broader terms North American country Parts MesoamericaOrganization of American States Part of YucatanAcapulcoCiudad JuarezCiudad VictoriaCuliacanDurangoGuadalajaraHermosillo WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved.