Synonyms|44Antonyms|3|Broader|3Narrower|0Related|97

8 entries under adjective topic. ×

9
eldest(age, oldness)
3
elder(age, oldness)
3
firstling
2
first-born(noun, senior, older, elder)
1
older
0
of a former period(expression, idiom, older)
0
of an earlier time(expression, idiom, older)
0
top-level
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APASmart Define. (2015). firstborn thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/firstborn/thesaurus/synonyms
ChicagoSmart Define. 2015. "firstborn thesaurus" https://smartdefine.org/firstborn/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, firstborn thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/firstborn/thesaurus/synonyms>.
MLASmart Define. "firstborn thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/firstborn/thesaurus/synonyms>