sire

1 of 2

noun

ˈsī(-ə)r 

1

a

: father

b

archaic : male ancestor : forefather

c

: author, originator

2

a

archaic : a man of rank or authority

especially : lord

—used formerly as a form of address and as a title

b

obsolete : an elderly man : senior

3

: the male parent of an animal and especially of a domestic animal

sire

2 of 2

verb

sired; siring

transitive verb

1

: beget

—used especially of male domestic animals

2

: to bring into being : originate

Synonyms of sire

Noun

• dad
• father
• daddy

Verb

• beget
• father
• spawn
• produce
• reproduce

Examples of sire in a Sentence

Noun

his sire had been a renowned Wall Street lawyer

the revered sire of the impressionist movement in art

Verb

The horse sired several champion racers.

the champion racehorse went on to sire a long line of winners

Recent Examples on the Web

Noun

But Runhappy’s sire, Super Saver, won the 2010 Derby, and So Happy’s grandsire on his mother’s side is Blame, who captured the Breeders’ Cup Classic later that year at Churchill Downs. —Jay Posner, Los Angeles Times, 2 May 2026

Corporate Power's sire (Curlin) and dam (Road To Victory) both won graded stakes races on the Churchill Downs dirt. —Geoff Clark Outkick, FOXNews.com, 1 May 2026

Verb

Bowie sired a calf there in June 2025, making Fort Worth Zoo’s oldest elephant Rasha a great-grandmother and the matriarch of four generations. —Harriet Ramos may 7, Fort Worth Star-Telegram, 7 May 2026

Robusta, a Calumet Farm homebred sired by Accelerate, has only a maiden victory from five career starts. —Jay Posner, Los Angeles Times, 1 May 2026

Word History

Etymology

Noun

Middle English, from Anglo-French, lord, feudal superior, from Vulgar Latin *seior, alteration of Latin senior older — more at senior

First Known Use

Noun

13th century, in the meaning defined at sense 1a

Verb

1611, in the meaning defined at sense 1

Rhymes for sire

• acquire
• attire
• bonfire
• campfire
• ceasefire
• conspire
• desire
• enquire
• entire
• greenbrier
• gunfire
• homebuyer

Kids Definition

sire

1 of 2 noun

ˈsī(ə)r 

1

: father entry 1 sense 1a

2

archaic : a male ancestor : forefather

3

: the male parent of an animal and especially of a domestic animal

sire

2 of 2 verb

sired; siring

: beget sense 1

—used especially of domestic animals

Medical Definition

sire

1 of 2 noun

ˈsī(ə)r 

: the male parent of an animal and especially of a domestic animal

sire

2 of 2 transitive verb

sired; siring

: to procreate as the male parent of