insure

[ in-shoor, -shur ]

See synonyms for insure on Thesaurus.com

verb (used with object),in·sured, in·sur·ing.

to guarantee against loss or harm.
to secure indemnity to or on, in case of loss, damage, or death.

to issue or procure an insurance policy on or for.
ensure (defs. 1-3).

verb (used without object),in·sured, in·sur·ing.

to issue or procure an insurance policy.

Origin of insure

1400–50; late Middle English; variant of ensure

Other words for insure

1	warrant
4	assure

See synonyms for insure on Thesaurus.com

Other words from insure

o·ver·in·sure, verb (used with object), o·ver·in·sured, o·ver·in·sur·ing.
pre·in·sure, verb (used with object), pre·in·sured, pre·in·sur·ing.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use insure in a sentence

Narrowing your niche insures long-term success, while also simplifying your life.
The Stars Predict Your Week | Starsky + Cox | September 10, 2011 | THE DAILY BEAST
Leaving no stone unturned to pull off lofty projects insures against regrets.
Your Week: What the Stars Predict | Starsky + Cox | August 28, 2011 | THE DAILY BEAST
The care shown in rearing insures a perfect straightness of stem, and an equable diameter of about an inch or an inch and a half.
Tobacco; Its History, Varieties, Culture, Manufacture and Commerce | E. R. Billings.
Personal immortality is only to be desired if it insures the lifting of our faculties to their highest power of expression.
Ancestors | Gertrude Atherton
He says that this suture insures the redintegration of the nerve much better.
Old-Time Makers of Medicine | James J. Walsh

Some men argue that this sum insures an excellent investment.
The Complete Bachelor | Walter Germain
Ribbons of the same kind are used on the typewriter for filling in names and addresses, which insures a perfect match.
Cyclopedia of Commerce, Accountancy, Business Administration, v. 1 | Various

British Dictionary definitions for insure

insure

/ (ɪnˈʃʊə, -ˈʃɔː) /

verb

(often foll by against) to guarantee or protect (against risk, loss, etc): we insured against disappointment by making an early reservation
(often foll by against) to issue (a person) with an insurance policy or take out an insurance policy (on): his house was heavily insured against fire; after all his car accidents the company refuses to insure him again

another word (esp US) for ensure (def. 1), ensure (def. 2)

Also (rare) (for senses 1, 2): ensure

Derived forms of insure

insurable, adjective
insurability, noun

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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