Synonyms|61Antonyms|8|Broader|0Narrower|1Related|24
2
grandpapa
2
grandparent
2
graybeard
2
nonagenarian
2
octogenarian
2
pantaloon
2
progenitor(noun, paternity)
2
sexagenarian
2
veteran
1
ascendent
1
crone
1
fatherhood
1
forbear
1
forbears
1
forefathers
1
geezer
1
genitor
1
grandad
1
granddaddy
1
great-grandfather(noun, paternity)
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APASmart Define. (2016). grandsire thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/grandsire/thesaurus/synonyms
ChicagoSmart Define. 2016. "grandsire thesaurus" https://smartdefine.org/grandsire/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, grandsire thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/grandsire/thesaurus/synonyms>.
MLASmart Define. "grandsire thesaurus" 2 March 2016. Web. 24 September 2026. <https://smartdefine.org/grandsire/thesaurus/synonyms>