- Definitions|1
- Thesaurus|94
- Abbreviations|0
| grandfather(noun, veteran, paternity) | |
| father(noun, paternity) | |
| sire(noun, paternity) | |
| dotard | |
| forefather(noun, grandpa, granddad) | |
| parent(noun, paternity) | |
| ancestor(noun, paternity, grandpa, granddad) | |
| predecessor | |
| root | |
| centenarian | |
| forebear | |
| foregoer | |
| gaffer | |
| grandpa(noun, granddad) | |
| old man(expression, idiom, veteran) | |
| patriarch(noun, veteran, grandpa, granddad) | |
| primogenitor | |
| elder(noun, grandpa, granddad) | |
| gramps(noun, ancestor, grandpa, grandfather, granddad) | |
| granddad |
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| APA | Smart Define. (2016). grandsire thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/grandsire/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "grandsire thesaurus" https://smartdefine.org/grandsire/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2016, grandsire thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/grandsire/thesaurus/synonyms>. |
| MLA | Smart Define. "grandsire thesaurus" 2 March 2016. Web. 20 September 2026. <https://smartdefine.org/grandsire/thesaurus/synonyms> |