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Definition of armor

armor

/ˈɑːr.mɚ/
(UK: armour)
ar · mor

Plural:armors
•
Adjective:armored
•
Past Simple:armored
•
Past Participle:armored
•
Present Participle:armoring
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armor Lexical Profile

armor Game Scores & Validity

• noun

1

A tough, protective outer layer or covering, historically made of metal or leather, worn by soldiers or warriors to prevent injury in battle.

Example

"The medieval knight meticulously polished his heavy suit of armor before the royal jousting tournament."


2

A hardened, defensive covering or structural plating used to protect vehicles, ships, buildings, or animals from physical attacks and environmental hazards.

Example

"The new infantry fighting vehicle features advanced composite armor designed to withstand anti-tank munitions."


3

A psychological or emotional defense mechanism used to protect oneself from distress, criticism, or vulnerability.

Example

"Over the years, she developed a thick armor of sarcasm to hide her deep-seated insecurities."

Synonyms
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Antonyms
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• verb

1

To equip, cover, or reinforce with a protective layer or defensive plating.

Example

"The military engineers worked overnight to armor the troop transport vehicles before the convoy departed."


2

To provide someone or oneself with a psychological or emotional defense against adversity, pain, or criticism.

Example

"He armored himself against the harsh realities of the corporate industry by maintaining a stoic and detached professional demeanor."

Synonyms
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Antonyms
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Word Nuance & Usage

In British English, the word is standardly spelled 'armour', whereas 'armor' is the preferred American English spelling.

• Rhymes for armor

Word Origin & Etymology

From Old French 'armure', which evolved from the Latin 'armatura' meaning 'arms or equipment', derived from the root 'arma' meaning 'weapons'.

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


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