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rearguard

American  
[reer-gahrd] / ˈrɪərˌgɑrd /
Or rear-guard

adjective

  1. of or relating to a rear guard.

  2. designed to oppose or prevent in a defensive way.

    a rearguard strategy.


rearguard British  
/ ˈrɪəˌɡɑːd /

noun

  1. a detachment detailed to protect the rear of a military formation, esp in retreat

  2. an entrenched or conservative element, as in a political party

    1. an action fought by a rearguard

    2. a defensive action undertaken to try to stop something happening or continuing

"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

Etymology

Origin of rearguard

First recorded in 1895–1900; attributive use of rear guard

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.

However, he said the housing secretary had been "fighting against a rearguard action mounted by the freeholders and other financial interests and supported by the Treasury".

From BBC • Mar. 3, 2026

The Wallabies were down on the scoreboard but headed into half-time on the up after a rearguard action had kept them within touching distance of the hosts.

From BBC • Nov. 1, 2025

From there it was the Warriors' rearguard which decided the outcome.

From BBC • Oct. 3, 2025

India closed on 174-2, 137 behind thanks to a rearguard partnership between KL Rahul and Shubman Gill.

From BBC • Jul. 26, 2025

‘At the breach our rearguard must stand, if we are pressed,’ said Éomer.

From "The Two Towers" by J. R. R. Tolkien