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

But Deates said in court Wednesday that the trooper was stationed behind a concrete barrier, looking for speeders, and never caught up with the driver of the Cadillac. —Mara H. Gottfried, Twin Cities, 18 Mar. 2026

He was pulled over a short time later by a state trooper because his green 1994 Chevrolet Camaro matched the description of another 911 call. —Louis Casiano, FOXNews.com, 18 Mar. 2026

After realizing the driver was the sheriff, the deputy called state troopers to conduct the DUI investigation. —Dan Raby, CBS News, 17 Mar. 2026

An ex-state trooper in New York was found guilty of manslaughter in the 2020 death of 11-year-old Monica Goods during a chase. —Mike Randall, USA Today, 14 Mar. 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