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

• dogface
• fighter
• legionary
• legionnaire
• man-at-arms
• regular
• serviceman
• soldier
• warrior

Examples of trooper in a Sentence

a moving Memorial Day service honoring our fallen troopers

Recent Examples on the Web

The child received treatment for the early stages of hypothermia, according to troopers. —Sara Schilling, Sacramento Bee, 20 Mar. 2025

Concerned about the escalating speed and the recent citation, the trooper stopped her again and arrested her. —Jamel Valencia, Baltimore Sun, 20 Mar. 2025

Arriving troopers responded to the area and saw Pirie walking around Bantam Lake Heights. —Staff Report, Hartford Courant, 19 Mar. 2025

The Massachusetts State Police trooper who led the investigation into the Karen Read case has been fired less than a year after his vulgar messages about the murder suspect were exposed during the trial. —Samira Asma-Sadeque, People.com, 19 Mar. 2025

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