/ Thesaurus / N Synonyms of navel orange Find synonyms for: Noun1. navel orange, sweet orangeusage: seedless orange enclosing a small secondary fruit at the apexWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language