Synonyms|168Antonyms|1|Broader|3Narrower|1Related|64
13
million(noun, adjective, five)
12
trillion(noun, adjective, five)
9
jillion(noun, adjective)
7
thousand(noun, adjective, five)
7
zillion
5
milliard(noun, five)
4
many
4
one million million(noun, expression, idiom)
4
one thousand million(noun, expression, idiom)
3
1000000000
3
aeon
3
billions(noun, myriad, lots, ton, stacks)
3
dozen(noun, adjective)
3
grand(noun, five)
3
hundred
3
infinity
3
large integer(expression, idiom)
3
myriad
3
number
3
septuple(noun, adjective)
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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>