Uto-Aztecan utoaz·te·can uncommon noun 1. a family of American Indian languages SynonymsUto-Aztecan language Related words Word family Uto-Aztecan language Broader terms Amerind Narrower terms ShoshoneanPimaAztecanNahuatlCahitaTatahumaraZapotec WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.