1
boyfriend(noun, fellow, father, guy, gentleman)
1
brother(noun, man, fellow, father, guy)
1
crone
1
fatherhood
1
forbears
1
forebearer
1
forefathers
1
geezer
1
genitor
1
grampa
1
grandfatherly
1
grandfathers
1
grandpas
1
he(noun, man, fellow, father, guy)
1
husband(noun, man, fellow, father, guy)
1
male relative
1
man(noun, human, father, guy, gentleman)
1
maternal grandfather(expression, idiom)
1
old-timer
1
old codger
10 years ago|10k views|share |citing 
APASmart Define. (2016). grandfather thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/grandfather/thesaurus/synonyms
ChicagoSmart Define. 2016. "grandfather thesaurus" https://smartdefine.org/grandfather/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, grandfather thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/grandfather/thesaurus/synonyms>.
MLASmart Define. "grandfather thesaurus" 2 March 2016. Web. 30 September 2026. <https://smartdefine.org/grandfather/thesaurus/synonyms>