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 Ohio State Highway Patrol news release did not specify how many times officers fired their weapons or whether West Union police, sheriff's deputies or state troopers pulled the trigger. —Matthew Cupelli, Cincinnati Enquirer, 15 Nov. 2025

The deputies were transported to Stormont Vail Hospital in Topeka while the trooper was transferred from the same hospital to a Kansas City medical facility for further treatment, the AP reported. —Hollie Silverman, MSNBC Newsweek, 15 Nov. 2025

The Maryville police officer, who was riding a motorcycle at the time of the collision, and the state trooper were supporting the vice president's motorcade. —Landon Mion, FOXNews.com, 15 Nov. 2025

The trooper then turned and pointed at Harbor and appeared to yell at him. —Jacob Lev, CNN Money, 15 Nov. 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