trooper

noun

troop·​er ˈtrü-pər 

1

a(1)

: an enlisted cavalryman

(2)

: the horse of a cavalryman

b

: paratrooper

c

: soldier

2

a

: a mounted police officer

b

: a state police officer

3

: trouper sense 2

Synonyms of trooper

• soldier
• warrior
• fighter

Examples of trooper in a Sentence

a moving Memorial Day service honoring our fallen troopers

Recent Examples on the Web

According to Higgins, Connecticut currently faces a shortage of hundreds of police officers and troopers and struggles to fill its police and fire academies. — Maia Nehme, Hartford Courant, 12 Nov. 2026

State prosecutors say that in April 2026, Michigan State Police troopers and the Bureau of Alcohol, Tobacco, Firearms and Explosives went to a home in Inkster to execute a search warrant when Wilson allegedly fled the home at high speed. — Dejanay Booth-Singleton, CBS News, 11 Nov. 2026

Morley was found after troopers used roadside cameras and a helicopter to track him down and his truck got stuck in the mud. — ABC News, 4 Nov. 2026

Missouri state troopers have captured an escaped convict who broke free from a Tennessee prison last week, a highway patrol spokesperson told Fox News Digital Tuesday. — Michael Ruiz, FOXNews.com, 3 Nov. 2026

Word History

First Known Use

1640, in the meaning defined at sense 1a(1)

Phrases Containing trooper

• moss-trooper
• storm trooper

Rhymes for trooper

• grouper
• hooper
• keuper
• looper
• stupor
• super
• paratrooper

Kids Definition

trooper

noun

troop·​er ˈtrü-pər 

1

: a cavalry soldier

2

a

: a police officer who rides a horse

b

: a state police officer