Synonyms|60Antonyms|0|Broader|3Narrower|0Related|54
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decennary(noun, decade, decennium)
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decennium(noun, decade)
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diamond
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hex
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hexagons
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hexed
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hexes
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lozenge
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mall
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nonagon
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nut
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pentangle
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plane figure
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polygonal shape(expression, idiom)
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quadrature
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rhomb
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ten-sided figure
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triangulate
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trigon
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wedge
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APASmart Define. (2015). decagon thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/decagon/thesaurus/synonyms
ChicagoSmart Define. 2015. "decagon thesaurus" https://smartdefine.org/decagon/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, decagon thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/decagon/thesaurus/synonyms>.
MLASmart Define. "decagon thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/decagon/thesaurus/synonyms>