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 pre-teen was pronounced dead at the scene, and an alert was issued to locate his father, who was located in his vehicle by Connecticut State Police troopers and turned over to the Branford Police Department, per the release. — Adam England, PEOPLE, 8 July 2026

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

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

The Saturn driver — who was driving in the left lane without passing other cars — stopped for the trooper in the left lane, and the trooper told her to move onto the shoulder, according to the agency. — Lauren Penington, Denver Post, 6 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