insure Meaning, Definition & Usage

  1. verb be careful or certain to do something; make certain of something
    control; see to it; assure; see; ensure; ascertain; check.
    • He verified that the valves were closed
    • See that the curtains are closed
    • control the quality of the product
  2. verb make certain of
    assure; ensure; secure; guarantee.
    • This nest egg will ensure a nice retirement for us
    • Preparation will guarantee success!
  3. verb protect by insurance
    underwrite; cover.
    • The insurance won't cover this
  4. verb take out insurance for

WordNet

In"sure transitive verb
Etymology
OE. ensuren, prob. for assuren, by a change of prefix. See 1st In-, and Sure, and cf. Assure, Ensure.
Wordforms
imperfect & past participle Insured ; present participle & verbal noun Insuring
Definitions
  1. To make sure or secure; as, to insure safety to any one.
  2. Specifically, to secure against a loss by a contingent event, on certain stipulated conditions, or at a given rate or premium; to give or to take an insurance on or for; as, a merchant insures his ship or its cargo, or both, against the dangers of the sea; goods and buildings are insured against fire or water; persons are insured against sickness, accident, or death; and sometimes hazardous debts are insured.
In*sure" intransitive verb
Definitions
  1. To underwrite; to make insurance; as, a company insures at three per cent.

Webster 1913