grandsire

noun

grand·​sire ˈgran(d)-ˌsī(-ə)r 

1

or grandsir

ˈgran(t)-sər 

dialect : grandfather sense 1a

2

archaic : forefather

3

archaic : an aged man

4

: a dam's or sire's sire

—used of an animal

Examples of grandsire in a Sentence

Recent Examples on the Web

Robusta’s trainer, O’Neill, is trying again with Vitruvian Man, and other than the colt’s breeding — his sire (Vino Rosso) and grandsire (Curlin) both won the Breeders’ Cup Classic — there isn’t much to recommend. — Jay Posner, Los Angeles Times, 2 June 2026

As her grandsire Corlys (Steve Toussaint) settles in as the Hand of the Queen, Rhaenyra brings Queensguard Ser Steffon Darklyn (Anthony Flanagan) before the council. — Lauren Morgan, EW.com, 22 July 2024

Daemon insults young Tully by wishing his absent grandsire a hasty trip to the grave. — Amanda Whiting, Vulture, 7 July 2024

Writhing in pain, Rhaenyra tells her boys that their grandsire has died and Aegon has been crowned king. — Erica Gonzales, ELLE, 23 Oct. 2022

Sir Winston joined his dam sire, Afleet Alex, and one of his great-grandsires Affirmed as winners of the Belmont Stakes. — Mark Inabinett | [email protected], al.com, 8 June 2019

Sir Winston's maternal grandsire is 2005 Belmont winner Afleet Alex. — John Cherwa, latimes.com, 7 June 2019

Word History

Etymology

Middle English

First Known Use

14th century, in the meaning defined at sense 1

Kids Definition

grandsire

noun

grand·​sire ˈgran(d)-ˌsī(ə)r 

1

or grandsir

ˈgran(t)-sər 

dialect : grandfather sense 1

2

archaic : an aged man