DODECAGON Antonyms There are 8 antonyms of the word dodecagon. (opposite meanings)Did you mean?Definition of DODECAGONBest Opposite Words For DODECAGONTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1decagonnounn2heptagonnounn3hexagonnounn4nonagonnounn5octagonnounn6pentagonnounn7quadrilateralnounn8triangleverb, nounv, n Alternatives for DECAGON Words (1)decastyleOpposite words for decagon Alternatives for NONAGON Words (1)enneagonOpposite words for nonagon Alternatives for OCTAGON Words (2)eight-sidedoctagonalOpposite words for octagon Alternatives for PENTAGON Words (3)five-sidedheptagonhexagonPhrases (1)the pentagonOpposite words for pentagon Alternatives for QUADRILATERAL Words (3)four-sidedquadrangletetragonOpposite words for quadrilateral Alternatives for TRIANGLE Words (5)bluebottletrigonwyetriangulumtrilateralOpposite words for triangle