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

Noun

• dad
• daddy
• father
• old man
• pa
• papa
• poppa
• pater [chiefly British]
• pop

Verb

• beget
• father
• get

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

The talented runners in the 2025 Santa Anita Derby are from super sires. —Jay Ginsbach, Forbes.com, 5 Apr. 2025

Bos also ensured Kacey was supervised throughout her heat cycle, making an outside sire highly unlikely. —Tommy Tuberville, Newsweek, 6 Mar. 2025

Verb

Baffert’s influence can also be found in the breeding for this race with six having been sired by horses that Baffert has trained. —John Cherwa, Los Angeles Times, 30 Apr. 2025

The horse, sired by two-time Horse of the Year Curlin, will have jockey John Velazquez in the saddle and is guided by Hall of Fame trainer Todd Pletcher. —Eric Jackson, Sportico.com, 3 Sep. 2019

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