18 entries under adjective topic. ×

5
older
4
first(aged, senior, eldest)
4
elder(noun, person)
4
eldest(noun, senior)
4
senior
2
earliest
2
old
2
original
1
major
1
primeval
0
bigger
0
first-born
0
great
0
huge
0
larger
0
overlarge
0
right
0
vast
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APASmart Define. (2015). oldest thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/oldest/thesaurus/synonyms
ChicagoSmart Define. 2015. "oldest thesaurus" https://smartdefine.org/oldest/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, oldest thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/oldest/thesaurus/synonyms>.
MLASmart Define. "oldest thesaurus" 31 December 2015. Web. 22 September 2026. <https://smartdefine.org/oldest/thesaurus/synonyms>