Dictionary.com
Thesaurus.com
Synonyms

trooper

American  
[troo-per] / ˈtru pər /

noun

troopers plural
  1. a state trooper.

  2. a mounted police officer; a police officer on horseback.

  3. a soldier in a cavalry that uses horses.

  4. null trouper a persevering, dependable person who works hard or who bravely endures adversity.

    He's a real trooper, even when the going gets tough.

  5. a cavalry horse.

  6. Chiefly British. a troopship.


trooper British  
/ ˈtruːpə /

noun

  1. a soldier in a cavalry regiment

  2. a mounted policeman

  3. a state policeman

  4. a cavalry horse

  5. informal a troopship

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

trooper Idioms  

Other Word Forms

Noun Inflected Forms

Etymology

Origin of trooper

First recorded in 1630–40; troop + -er 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In one instance witnessed by a Journal reporter in July, ICE officers in Lake Worth, Fla., snapped pictures of two Guatemalan men whom a state trooper had just stopped.

From The Wall Street Journal • Jan. 5, 2026

A Tennessee Highway Patrol trooper on a motorcycle pulled her over anyway.

From Salon • Nov. 4, 2025

During a morning briefing, Patel highlighted a few specific defendants — including a state trooper from Minneapolis, an undocumented immigrant arrested in Norfolk, Va., and a former Washington, D.C., police officer, the Washington Post reported.

From Los Angeles Times • May 7, 2025

“Everything is illegal,” a Connecticut state trooper explained to me once.

From Slate • Nov. 7, 2024

Leila had the impression that the trooper was open, and honest, but also dogged.

From "A Deadly Wandering: A Mystery, a Landmark Investigation, and the Astonishing Science of Attention in the Digital Age" by Matt Richtel

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "trooper" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com