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

The 45-year-old man was driving a pickup eastbound in the local lanes of I-96, but lost control near the exit to Davison Avenue, troopers said. —Paula Wethington, CBS News, 10 Apr. 2026

Virginia state agencies would no longer and principally state police, as the largest of the state law enforcement agencies, would no longer put their police officers, their troopers, under the supervision and direction of ICE agents. —Mike Stunson, USA Today, 9 Apr. 2026

The moniker references the 1965 event where Alabama state troopers brutally attacked more than 600 marchers, with Lewis among the leaders, mobilizing for civil rights. —Deasia Paige, AJC.com, 8 Apr. 2026

The trooper suspected that Crain was driving while intoxicated. —Shambhavi Rimal, Fort Worth Star-Telegram, 8 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