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

While establishing a perimeter for the K-9, a trooper approached a residence on Trask Road and saw two men sitting by a bonfire in the front yard. — Justin Muszynski, Hartford Courant, 25 Aug. 2026

State police officials have said agency officials investigate all uses of force by troopers. — Grant Lancaster, Arkansas Online, 25 Aug. 2026

In the viral bar incident, the two troopers are seen sitting at the end of the bar. — Joe Dwinell, Boston Herald, 24 Aug. 2026

He was taken to a local hospital because of his impairment while troopers obtained and executed a search warrant for his blood, police said. — Frederick Sutton Sinclair, CBS News, 24 Aug. 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