Ensure Definition

ensured, ensures, ensuring
ensured, ensures, ensuring
To make sure or certain; guarantee; secure.
Measures to ensure accuracy.
Webster's New World
To make safe; protect.
Safety devices to ensure workers against accidents.
Webster's New World
Webster's New World

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

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