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

In the maneuver, a deputy or officer or trooper uses the front of his or her patrol car to push the rear corner of a fleeing car or truck, forcing it into a spin and allowing the officer to block the car and bring it to a stop. —Miami Herald, 28 Mar. 2026

According to State Police, the students walked to a local business in Lincoln, New Hampshire with school staff and troopers to wait until a new bus arrived. —CBS News, 28 Mar. 2026

The jurors had issued a presentment into the shooting and killing of a Broward County man by a Florida Highway Patrol trooper. —Lawrence Mower, The Orlando Sentinel, 27 Mar. 2026

While there, that person is the only state trooper to serve people across five counties. —Sally Krutzig, Idaho Statesman, 27 Mar. 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