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Definition of insure

insure

/ɪnˈʃʊər/
in · sure

Adjective:insurable
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Past Simple:insured
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Past Participle:insured
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Present Participle:insuring
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insure Lexical Profile

insure Game Scores & Validity

• verb

1

To arrange for financial compensation in the event of damage to or loss of property, or injury to or the death of someone, in exchange for regular payments to a company.

Example

"The museum decided to insure the rare painting for ten million dollars before shipping it overseas."


2

American To make certain that something will occur or be the case.

Example

"Careful planning will help insure that the conference runs smoothly."

Synonyms
View all synonyms for insure
Antonyms
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Word Nuance & Usage

Often confused with 'ensure' and 'assure': in contemporary usage, 'insure' is primarily reserved for financial protection against risk via an insurance policy, 'ensure' means to make certain that something happens, and 'assure' means to remove someone's doubts.

• Rhymes for insure

Word Origin & Etymology

From Middle English 'ensuren', borrowed from Anglo-French 'ensurer', an alteration of Old French 'asseurer' (to make safe or secure), ultimately from Latin 'securus' (free from care).

Cite this Entry


Wordmom. (2026). Definition of Insure. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/insure
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