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

Other witnesses included on prosecutors' list are Massachusetts State Police troopers, Duxbury police officers and firefighters, local doctors and medical examiners. — N'dea Yancey-Bragg, USA Today, 20 July 2026

The Alaska State Medical Examiner’s Office identified the remains as belonging to Patrick Orville Dearth, who was reported missing to the Fairbanks Police Department in November 1993, state troopers said. — Bailey Richards, PEOPLE, 19 July 2026

After the July 4 arrest, Cook County Judge Shauna Boliker ordered Milton not to go near the property or have any contact with the state trooper who reported him to authorities. — Dan Petrella, Chicago Tribune, 18 July 2026

The crash killed both Marrero and Trainor, a 30-year-old state trooper from Georgetown. — Sarah Rumpf-Whitten, FOXNews.com, 15 July 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