Guarani Syllabification: (Gua·ra·ni)Pronunciation: /gwärəˈnē/Definition of Guarani noun (plural same) 1a member of an American Indian people of Paraguay and adjacent regions. 2the language of the Guarani, one of the main divisions of the Tupi-Guarani language family and a national language of Paraguay. 3 (guarani) the basic monetary unit of Paraguay, equal to 100 centimos. adjective relating to the Guarani or their language. Origin:SpanishGuarani in other Oxford dictionaries Definition of Guarani in the British & World English dictionary