OCTAGONS Antonyms There are 9 antonyms of the word octagons. (opposite meanings)Did you mean?Definition of OCTAGONSAlso try opposite words for..octagonoctagonalBest Opposite Words For OCTAGONSTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1circleverb, noun, adjectivev, n, adj2decagonnounn3dodecagonnounn4heptagonnounn5hexagonnounn6nonagonnounn7pentagonnounn8squareverb, nounv, n9triangleverb, nounv, n Alternatives for CIRCLE Words (21)roundbunchcoildiscdiskganggrouploopringbandcircuitencirclelaplotroachroofyroperophyrotaryroundaboutsetPhrases (4)dress circleforget me drugmexican valiumtraffic circleAbbreviations (1)r-2Opposite words for circle Alternatives for DECAGON Words (1)decastyleOpposite words for decagon Alternatives for NONAGON Words (1)enneagonOpposite words for nonagon Alternatives for PENTAGON Words (3)five-sidedheptagonhexagonPhrases (1)the pentagonOpposite words for pentagon Alternatives for SQUARE Words (19)straightsquarelybourgeoisfeatherhashnormalorthogonalperpendicularpiazzaplazasharptetragonfoursquareheartylamesatisfyingsolidstraightforwardsubstantialPhrases (6)carpenter's squarepound signpublic squaresecond powersquare toessquare upOpposite words for square