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

Instead of stopping, Kneeland got back on the tollway, and the trooper lost sight of him near Lebanon Road. —Harriet Ramos, Fort Worth Star-Telegram, 22 Nov. 2025

Once on scene, troopers promptly provided first aid until Miami-Dade Fire Rescue arrived and took the person to HCA Aventura Hospital for treatment, FHP said. —Hunter Geisel, CBS News, 21 Nov. 2025

The eagle fled the scene before troopers arrived. —Charlotte Phillipp, PEOPLE, 21 Nov. 2025

Melissa Underwood, Kansas Bureau of Investigation spokesperson, said three Osage County sheriff's deputies and one Kansas Highway Patrol trooper were shot while responding to a Topeka residence. —Arkansas Online, 16 Nov. 2025

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