Breadcrumb Home > Thesaurus > O Synonyms of oslo Find synonyms for: Noun 1. Oslo, Christiania, capital of Norway usage: the capital and largest city of Norway; the country's main port; located at the head of a fjord on Norway's southern coast WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of oslo (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: tintinnabulation Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language