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

The governor said the state's Highway Patrol had more than 300 troopers ready to assist with evacuations, emergency response and recovery operations. — ABC News, 9 Oct. 2026

At the time, an MSP trooper was sitting in his patrol car nearby with his emergency lights activated and was able to respond to the crash quickly. — CBS News, 7 Oct. 2026

Deputies from the Warren County Sheriff's Office, officers from the West Des Moines Police Department and Iowa State Patrol troopers responded to reports of gunfire near mile marker 56. — Brittany Miller, FOXNews.com, 7 Oct. 2026

Shout out to to Annette Badland, who is just so beloved by all of us, and such a trooper. — Michael Schneider, Variety, 7 Oct. 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