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

Authorities said the trooper's observations during the stop led to a DUI investigation. —Brittany Miller, FOXNews.com, 14 June 2026

After the law took full effect, Pennsylvania State Police said troopers conducted Operation Hands Off, a statewide enforcement initiative from June 8 to June 10. —Madeline Bartos, CBS News, 12 June 2026

Ator was soon pulled over for a routine traffic stop and opened fire on two state troopers. —Mateo Rosiles, USA Today, 12 June 2026

An investigation revealed the 14-year-old driver lost control of the Lexus, ran off the road and flipped near the intersection of Moccasin Creek Road and Deep Water Trail, troopers say. —Mark Price, Charlotte Observer, 10 June 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