Synonyms|56Antonyms|0|Broader|1Narrower|0Related|28
5
90
4
xc
3
eleven
2
dozen
2
score
1
boxcars
1
cardinal number
1
decade
1
dicker
1
eight
1
fifty
1
five
1
fortnight
1
forty
1
fourscore
1
fourscore and ten(expression, idiom, five)
1
nine
1
nineties
1
nonagenarian
1
octogenarian
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APASmart Define. (2015). ninety thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/ninety/thesaurus/synonyms
ChicagoSmart Define. 2015. "ninety thesaurus" https://smartdefine.org/ninety/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, ninety thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/ninety/thesaurus/synonyms>.
MLASmart Define. "ninety thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/ninety/thesaurus/synonyms>