Synonyms|88Antonyms|0|Broader|3Narrower|0Related|60

64 entries under noun topic. ×

1
cusp
1
decade
1
decennium
1
dodecahedron
1
dozen
1
duodecimo
1
fourscore
1
grand
1
hexad
1
hexagons
1
hexahedron
1
hexes
1
hundred
1
hundredfold
1
jillion
1
million
1
nonagon
1
octavo
1
parallelepiped
1
pentahedron
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APASmart Define. (2015). octagon thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/octagon/thesaurus/synonyms
ChicagoSmart Define. 2015. "octagon thesaurus" https://smartdefine.org/octagon/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, octagon thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/octagon/thesaurus/synonyms>.
MLASmart Define. "octagon thesaurus" 14 April 2015. Web. 1 October 2026. <https://smartdefine.org/octagon/thesaurus/synonyms>