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

Massachusetts State Police troopers assigned to the Plymouth DA’s office responded to 137 Micajah Pond Road, where the incident was reported. —Flint McColgan, Boston Herald, 23 May 2026

As a result, Seaside Heights officials have requested FBI support, SWAT teams, Homeland Security agents, mounted state troopers and an increase in roving officers to take to the beaches on Memorial Day weekend. —Julia Bonavita, FOXNews.com, 22 May 2026

The marchers were viciously beaten by Alabama state troopers; Lewis suffered a skull fracture and was nearly killed. —Jemele Hill, The Atlantic, 21 May 2026

Cara Dune Cara Dune (Gina Carano) is a former Rebel shock trooper who has become a mercenary. —Chris Snellgrove, Entertainment Weekly, 21 May 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