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

During the investigation, troopers allegedly noticed that Lebel, 32, was showing signs of impairment, per the Alaska State Troopers' news release. —Desiree Anello, PEOPLE, 20 June 2026

Tomlinson immediately got out of his SUV and began walking toward the trooper, who immediately unholstered her Taser. —Brian Maass, CBS News, 19 June 2026

While Vilsaint was a trooper, King commanded District 2 in Troop D, which is based in Orlando and covers six Central Florida counties. —Cristóbal Reyes, The Orlando Sentinel, 18 June 2026

The driver then ran north through yards in a nearby neighborhood and was not found after troopers and deputies searched the area with K-9 units and drones, the agency said. —Miami Herald, 17 June 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