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

In Suarez’s case, he was accused of crossing the walkway after chalking the soles of his shoes, which Worrell said left no footprints attributable to him while the trooper who arrested him did not fill out a questionnaire seeking more information about the arrest. —Cristóbal Reyes, The Orlando Sentinel, 24 Apr. 2026

Law enforcement agencies in southeast Minnesota and State Patrol troopers will be patrolling the area. —Mara H. Gottfried, Twin Cities, 24 Apr. 2026

As part of the seven-week initiative, drivers should expect to see troopers patrolling the full length of the parkway in both directions. —Mark Prussin, CBS News, 24 Apr. 2026

Ross Brennan said the case remained under investigation by troopers and the FBI. —Natalie Neysa Alund, USA Today, 23 Apr. 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