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Definition of rearguard

rearguard

/ˈrɪərˌɡɑːrd/
rear · guard

Plural:rearguards
•
Adjective:rearguard
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rearguard Lexical Profile

rearguard Game Scores & Validity

• adjective

1

Relating to a defensive or last-ditch effort to resist an impending defeat, loss, or unwelcome change.

Example

"The board members fought a rearguard battle to block the corporate merger, though the deal was nearly finalized."

Antonyms
View all antonyms for rearguard

• noun

1

A detachment of troops stationed at the back of an army to protect it from surprise attack, especially during a retreat.

Example

"Historians noted how the small rearguard delayed the advancing forces long enough for the main expedition to cross the mountain pass."


2

A group of people who staunchly defend an established custom, policy, or position against change or reform.

Example

"Traditionalists within the academy formed a vocal rearguard against revising the classic curriculum."

Word Nuance & Usage

Often used attributively in the phrase 'rearguard action' to describe a determined last-ditch effort to prevent an undesirable change that is already nearly inevitable.

Word Origin & Etymology

Borrowed in the 15th century from Anglo-French reregard and Old French arriere-garde, combining arriere ('behind, backward') and garde ('guard').

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


Wordmom. (2026). Definition of Rearguard. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/rearguard
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