Synonyms & Antonyms of insure

to make sure, certain, or safe
  • took steps to insure the timely completion of the project

Synonyms for insure

Words Related to insure

Near Antonyms for insure

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Frequently Asked Questions About insure

How is the word insure distinct from other similar verbs?

Some common synonyms of insure are assure, ensure, and secure. While all these words mean "to make a thing or person sure," insure sometimes stresses the taking of necessary measures beforehand.

careful planning should insure the success of the party

When can assure be used instead of insure?

In some situations, the words assure and insure are roughly equivalent. However, assure distinctively implies the removal of doubt and suspense from a person's mind.

I assure you that no harm will be done

How is ensure related to other words for insure?

Ensure, insure, and assure are interchangeable in many contexts where they indicate the making certain or inevitable of an outcome, but ensure may imply a virtual guarantee.

the government has ensured the safety of the refugees

When is secure a more appropriate choice than insure?

The words secure and insure can be used in similar contexts, but secure implies action taken to guard against attack or loss.

sent reinforcements to secure their position

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Time Traveler for insure

Time Traveler

The first known use of insure was in 1635

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Cite this Entry

“Insure.” Thesaurus, Merriam-Webster, Accessed 13 Aug. 2020.

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More from Merriam-Webster on insure

Dictionary: Definition of insure

Spanish Central: Translation of insure

Nglish: Translation of insure for Spanish Speakers

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