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 trooper was transported to the hospital and was listed in stable condition, according to the police. — Victoria Arancio, ABC News, 10 July 2026

The task force combining local law enforcement with the National Guard, state troopers, and several federal agencies was created with the promise of lowering the city’s crime rates. — Andy Rose, CNN Money, 10 July 2026

Most of the markers were clustered around the trooper’s driver’s-side door. — Jim Woods, Chicago Tribune, 10 July 2026

Despite this admonition, FHP loosened its chase policy two and a half years ago, freeing troopers to use PIT maneuvers to stop fleeing suspects. — Brittany Wallman, Miami Herald, 9 July 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