Synonyms|53Antonyms|34|Broader|6Narrower|2Related|76
13
progenitor(noun, forebear)
11
forefather(noun, ancestor)
11
predecessor
10
ancestor(noun, predecessor)
10
father
8
forebear
7
antecedent
7
sire
5
grandsire
5
parent
5
root
4
foregoer
4
precursor(noun, antecedent, pioneer, forerunner, predecessor)
3
ascendant
3
forebearer(noun, predecessor)
3
grandfather
2
ancestry(noun, history)
2
forbear
2
forerunner
1
antecessor
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APASmart Define. (2016). primogenitor thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/primogenitor/thesaurus/synonyms
ChicagoSmart Define. 2016. "primogenitor thesaurus" https://smartdefine.org/primogenitor/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, primogenitor thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/primogenitor/thesaurus/synonyms>.
MLASmart Define. "primogenitor thesaurus" 2 March 2016. Web. 20 September 2026. <https://smartdefine.org/primogenitor/thesaurus/synonyms>