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

For crashes on rural Texas highways, Texas state troopers may respond. — Karen Koehler, Fort Worth Star-Telegram, 7 July 2026

Truelove showed the trooper a sheriff's office badge and identification card, the release says. — Arkansas Online, 30 June 2026

The other is the Cyberpunk 2077 Militech shades that make players look like a corpo trooper. — Gieson Cacho, Mercury News, 7 July 2026

Arriving troopers found a bear lying in the center lane of the highway after colliding with an SUV, state police said. — Stephen Underwood, Hartford Courant, 4 July 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