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 records show that for nearly three years now, Florida’s highways have been racing with troopers’ black-and-tan patrol cars chasing drivers, even for non-violent offenses, leaving a trail of severe crashes, injuries and deaths. — Brittany Wallman, Miami Herald, 30 Oct. 2026

Oklahoma's Highway Patrol signed all of its troopers on to 287(g), giving their officers the power to stop a driver and potentially make an immigration arrest on state highways. — Jaclyn Diaz, NPR, 28 Oct. 2026

As troopers and officers patrol, drivers will see saturation patrols, sobriety checkpoints, and extra staff. — Brian Sherrod, CBS News, 28 Oct. 2026

The flight staff alerted troopers when a man approached the gate and tried using the ticket. — Justin Muszynski, Hartford Courant, 28 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