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

Clark Township Emergency Medical Services, the Mackinac County Sheriff's Office and Michigan's Department of Natural Resources assisted the troopers in managing the incident. —Nick Lentz, CBS News, 4 Jan. 2026

In 2012, after all the above, McCarthy finally drew a year’s suspension and was busted back to trooper. —Howie Carr, Boston Herald, 4 Jan. 2026

Dykstra, 62, was a passenger when the vehicle was pulled over by a trooper with the Blooming Grove patrol unit in Pike County, about 25 miles east of Scranton, where Dykstra lives. —Mark Scolforo, Los Angeles Times, 3 Jan. 2026

Pennsylvania troopers found Dykstra, 62, with drugs and paraphernalia in his possession while a passenger in a vehicle that was pulled over in Pike County. —Scott Thompson, FOXNews.com, 3 Jan. 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