English Reference

Word

trooper

Phoneticstroop·er, stress on the first syllable

US/ˈtɹupɝ/

UK/tɹˈuːpɐ/

Definitions

01a resilient person

B2 · Upper Intermediate Countable noun Informal

n. someone who continues to work hard or stay positive even when things are difficult or they feel unwell.

n. a person who stoically endures adversity or continues to perform a task despite hardship. Often used as a figurative extension of the military sense.

“Even though he had a bad cold, he was a real trooper and finished the project.”

“Despite the grueling schedule and the lack of resources, the lead researcher proved to be a real trooper, maintaining team morale until the deadline.”

Pitfall

She was a real trouper during the long hike.

She was a real trooper during the long hike.

While 'trouper' refers to a reliable member of a theater group, 'trooper' is the standard spelling for someone showing physical or mental resilience, though the two are often confused.

Synonyms

fighterstayer

Antonyms

quitter

02a soldier

B2 · Upper Intermediate Countable noun Military

n. a soldier, especially one who is in a unit that uses tanks or horses.

n. a soldier of private rank in a cavalry or armored unit; more broadly, any member of a military troop.

“The young trooper stood at attention as the commander walked past.”

“The regiment consisted of seasoned troopers who had served in armored divisions across multiple international deployments.”

Synonyms

soldiercavalryman

03a highway police officer

B2 · Upper Intermediate Countable noun Law American English

n. a member of a state police force, especially one who patrols highways.

n. a state police officer, typically one tasked with patrolling highways and enforcing traffic laws.

“A state trooper pulled the car over for driving too fast on the highway.”

“The trooper requested the driver's license and registration before explaining the hazards of speeding in such heavy rain.”

Synonyms

highway patrolmanofficer

04to work steadily

C1 · Advanced Informal

v. to keep working at a difficult or boring job without complaining.

v. to work steadily and stoically at an unpleasant or demanding task.

“We just had to trooper on until the busy season was finally over.”

“The staff had to trooper through the weekend to ensure the software migration was completed before the Monday morning rush.”

Usage

often used with 'on' as in 'to trooper on'

Synonyms

Real-World Examples

“After a few hours, nine organizers, including Walker, were arrested by state troopers.”
The Guardian 5 Sept 2026

Etymology

From troop + -er, from French troupe. The sense of “one who endures adversity” comes from trouper (“member of an acting troupe”) but through assimilation with the sense of “soldier” has come to be usually spelled “trooper”.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Domains

MilitaryNautical

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
Frequency
Frequent
Level
B2 · Upper Intermediate
Updated

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English Reference