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Definition of shield

shield

/ʃiːld/
Plural:shields
•
Past Simple:shielded
•
Past Participle:shielded
•
Present Participle:shielding
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shield Lexical Profile

shield Game Scores & Validity

• noun

1

A person, thing, or protective layer that provides defense against danger, damage, or unpleasantness.

Example

"The Earth's ozone layer acts as a crucial shield against harmful ultraviolet radiation from the sun."


2

A broad piece of defensive armor carried on the arm to intercept blows or projectiles during combat.

Example

"The knight raised his heavy wooden shield just in time to deflect the incoming arrow."


3

A large area of exposed Precambrian igneous and high-grade metamorphic rocks that forms the stable tectonic core of a continent.

Example

"The Canadian Shield dominates the physical geography of eastern and central Canada, characterized by a thin layer of soil and thousands of lakes."

Synonyms
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Antonyms
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• verb

1

To protect someone or something from danger, risk, or an unpleasant experience.

Example

"The celebrity wore large sunglasses to shield her eyes from the flashing cameras of the paparazzi."


2

To enclose or screen a mechanism, electrical component, or radioactive source to prevent damage, interference, or hazardous exposure.

Example

"The engineers ensured that the communication cables were heavily shielded to prevent electromagnetic interference."

Synonyms
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Antonyms
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• Rhymes for shield

Word Origin & Etymology

From Old English 'scield' or 'scild', of Germanic origin. Related to Dutch 'schild' and German 'Schild', originating from a Proto-Germanic base meaning 'to divide or separate', referring to a board created by splitting wood.

Cite this Entry


Wordmom. (2026). Definition of Shield. In Wordmom Dictionary. Retrieved Oct 14, 2026, from https://wordmom.com/dictionary/shield
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