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

• soldier
• warrior
• fighter

Examples of trooper in a Sentence

a moving Memorial Day service honoring our fallen troopers

Recent Examples on the Web

House left the scene and reportedly went on to carjack a vehicle after shooting the trooper, investigators said. —Killian Baarlaer, The Courier-Journal, 16 July 2025

Multiple churchgoers gunned down after suspect shoots state trooper in wild rampage. —FOXNews.com, 14 July 2025

Lexington Police Chief Lawrence Weathers said House shot a Kentucky State Police trooper on Terminal Drive at Blue Grass Airport at 11:36 a.m. —Mirna Alsharif, NBC news, 14 July 2025

The suspect, whose name has not yet been released, allegedly shot a state trooper during a traffic stop near the city’s airport, then fled the scene and carjacked another vehicle. —Jade Walker, CNN Money, 14 July 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