Breadcrumb Home > Thesaurus > T Synonyms of tonga Find synonyms for: Noun 1. Tonga, Kingdom of Tonga, Friendly Islands usage: a monarchy on a Polynesian archipelago in the South Pacific; achieved independence from the United Kingdom in 1970 2. Tonga, Bantu, Bantoid language usage: the language of the Tongan people of south central Africa (Zambia and Rhodesia) WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of tonga (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Hanukkah Origins of the Christmas Holiday Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 Krampus: The Christmas Devil Kwanzaa ✖ Related Content Daily Word Quiz: propinquity Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language