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

Prosecutor Shanan Buckingham disputed that, trying to show that Lawlor had only heard that theory from a fellow trooper. — Matt Schooley, CBS News, 18 Aug. 2026

Much remains publicly unclear about how and why a man stole an ambulance in Fort Worth last week and drove it about 185 miles south to Austin, where a state trooper shot him to death on an interstate bridge. — Emerson Clarridge, Fort Worth Star-Telegram, 17 Aug. 2026

The suspect, identified by police as 39-year-old Chad Hickman, fled the scene before troopers arrived, prompting a manhunt. — Reuters, USA Today, 15 Aug. 2026

The pursuit was the latest of several so far this year in which a state trooper’s use of the ramming technique — which has grown more frequent under Hagar’s tenure — has had unintended consequences. — Arkansas Online, 14 Aug. 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