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

Aside from confirming that the involved trooper remains on administrative leave, Aaron Snell, a state police spokesperson, declined to provide any additional information about the incident. — Alex Brizee, Idaho Statesman, 8 Sep. 2026

An armed assailant charged toward the Democratic candidate for Ohio governor, Amy Acton, on Sunday during a campaign stop at the Canfield Fair, injuring several people before he was stopped by troopers, the Ohio State Highway Patrol said. — Gary Fields, Los Angeles Times, 7 Sep. 2026

Delgado-Garcia family Four troopers were later criminally charged in connection with his death and suspended. — Mike Toole, CBS News, 7 Sep. 2026

At a fair Sunday in Ohio, an armed assailant charged toward Democratic candidate for Ohio governor Amy Acton and injured several people before he was stopped by troopers, authorities said. — ABC News, 7 Sep. 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