40 entries under adjective topic. ×

13
million(noun, five)
12
trillion(noun, five)
9
jillion
7
thousand(noun, five)
3
dozen
3
septuple
3
sevenfold
2
sextuple
2
sixfold
1
centenary
1
decennary
1
heptagonal
1
hexadic
1
hexagonal
1
hexahedral
1
kilo
1
octad
1
octagonal
1
septennial
1
sexennial
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APASmart Define. (2015). billion thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/billion/thesaurus/synonyms
ChicagoSmart Define. 2015. "billion thesaurus" https://smartdefine.org/billion/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, billion thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/billion/thesaurus/synonyms>.
MLASmart Define. "billion thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/billion/thesaurus/synonyms>