Synonyms|4Antonyms|0|Broader|0Narrower|0Related|1
2
eighteenth
0
eighteen
0
ordinal
0
xviii
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APASmart Define. (2013). 18th thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/18th/thesaurus/synonyms
ChicagoSmart Define. 2013. "18th thesaurus" https://smartdefine.org/18th/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2013, 18th thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/18th/thesaurus/synonyms>.
MLASmart Define. "18th thesaurus" 17 June 2013. Web. 21 September 2026. <https://smartdefine.org/18th/thesaurus/synonyms>