Synonyms|54Antonyms|0|Broader|0Narrower|0Related|8
5
octangular
4
hexagonal(adjective, multilateral)
4
octagon
3
heptagonal
3
hexahedral
3
octadic(adjective, octennial)
2
pentagonal(adjective, multilateral)
2
polygon
1
anise
1
aniseed
1
billion
1
centenary
1
decagonal
1
decennary
1
dodecagonal
1
dodecahedral
1
dozen
1
eightfold
1
eighth
1
hexadic
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APASmart Define. (2015). octagonal thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/octagonal/thesaurus/synonyms
ChicagoSmart Define. 2015. "octagonal thesaurus" https://smartdefine.org/octagonal/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, octagonal thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/octagonal/thesaurus/synonyms>.
MLASmart Define. "octagonal thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/octagonal/thesaurus/synonyms>