• synonyms


See more synonyms for trooper on Thesaurus.com
  1. a horse-cavalry soldier.
  2. a mounted police officer; a police officer on horseback.
  3. state trooper.
  4. a cavalry horse.
  5. Chiefly British. a troopship.
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  1. like a trooper, with great energy, enthusiasm, or display: He swears like a trooper.
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Origin of trooper

First recorded in 1630–40; troop + -er1
Can be confusedtrooper trouper
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for trooper

Contemporary Examples

Historical Examples

  • I believe the soldier swore like a trooper, and it was really quite excusable.

    My Double Life

    Sarah Bernhardt

  • And as he went a trooper followed him, with orders to track him till daylight.

    The Law-Breakers

    Ridgwell Cullum

  • McBain signed to the trooper at the rear of the wagon and the man stripped the cover off.

    The Law-Breakers

    Ridgwell Cullum

  • With obvious disgust he signed again to the trooper to replace the cover.

    The Law-Breakers

    Ridgwell Cullum

  • On the opposite wall the light of the trooper's lanthorn fell brightly.

    The Tavern Knight

    Rafael Sabatini

British Dictionary definitions for trooper


  1. a soldier in a cavalry regiment
  2. US and Australian a mounted policeman
  3. US a state policeman
  4. a cavalry horse
  5. informal, mainly British a troopship
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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

Word Origin and History for trooper


1630s, "soldier in a cavalry troop," agent noun from troop. Extended to "mounted policeman" (1858, in Australian) then to "state policeman" (U.S.) by 1911.

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Online Etymology Dictionary, © 2010 Douglas Harper

Idioms and Phrases with trooper


see swear like a trooper.

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The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.