insure

[ in-shoor, -shur ]
/ ɪnˈʃʊər, -ˈʃɜr /

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.

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 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.

Example sentences from the Web for insure

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