We define ensure as “to make sure, certain, or safe” and one sense of insure, “to make certain especially by taking necessary measures and precautions,” is quite similar. But insure has the …

Phrasal verb insure against something (Definition of insure from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

INSURE definition: to guarantee against loss or harm. See examples of insure used in a sentence.

Feb 25, 2023 · “Ensure” means that you’re going to make sure of something. You’re going to guarantee an outcome and make something happen. “Insure” means that you’ll take measures or precautions …

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If you insure yourself or your property, you pay money to an insurance company so that, if you become ill or if your property is damaged or stolen, the company will pay you a sum of money. For protection …

Even though they can be synonyms, one way to make sure of correct usage is to use 'insure' to relate to financial matters and 'ensure' in the broader meaning of making certain or safe.

Mar 9, 2021 · In fact, ensure and insure have a very close history: insure developed as a spelling variant of ensure and functioned this way for hundreds of years. Essentially, they were the same word!

Phrasal verb insure against something (Definition of insure from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

Oct 13, 2025 · Insure Oklahoma's Employer Sponsored Insurance plan helps employers provide their eligible employees with affordable health care. Last Modified on Oct 13, 2025.