Ensure meaning

ĕn-sho͝or
To make sure or certain; insure.

Our precautions ensured our safety.

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Ensure is defined as to make something certain or safe.

An example of ensure is for a teenager to make sure that his little brother gets home from school safely.

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(intransitive) To make sure or certain of something (usually some future event or condition). [from 18th c.]

I use an alarm clock to ensure that I get up on time.

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To make sure or certain; guarantee; secure.

Measures to ensure accuracy.

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To make safe; protect.

Safety devices to ensure workers against accidents.

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Make certain.
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Safeguard. See also insure.
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To make a pledge to (someone); to promise, guarantee (someone of something); to assure. [14th-18th c.]
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Origin of ensure

  • Middle English ensuren from Anglo-Norman enseurer Old French en- causative pref. en–1 Old French seur secure variant of sur sure

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Anglo-Norman enseurer, from Old French seur (“sure”).

    From Wiktionary