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

Deputies and Florida Highway Patrol troopers caught up with Lopez, who sped away at speeds of up to 100 mph, according to his arrest report. — David Goodhue, Miami Herald, 2 Oct. 2026

The Tennessee man accused of killing a Kentucky state trooper was on probation and already wanted for a violation, with a criminal record that included assault, fraud and illegally possessing a gun. — Stepheny Price, FOXNews.com, 30 Sep. 2026

An on-duty Kentucky state trooper was fatally shot while conducting a traffic stop on a highway Monday, authorities said. — ABC News, 29 Sep. 2026

State police said he was found to be at fault for the crash after troopers interviewed multiple witnesses. — Justin Muszynski, Hartford Courant, 28 Sep. 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