Breadcrumb Home > Thesaurus > D Synonyms of decagon Find synonyms for: Noun 1. decagon, polygon, polygonal shape usage: a polygon with 10 sides and 10 angles WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of decagon (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: ailurophobia Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language