Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • intransitive verb To provide or arrange insurance for.
  • intransitive verb To acquire or have insurance for.
  • intransitive verb To make sure, certain, or secure.
  • intransitive verb To buy or sell insurance.

from The Century Dictionary.

  • To make sure, certain, or secure; give assurance of; assure: as, to insure safety to any one.
  • Specifically To guarantee or secure indemnity for future loss or damage (as to a building from fire, or to a person from accident or death) on certain stipulated conditions; make a subject of insurance; assure: as, to insure a ship or its cargo, or both, against the dangers of the sea; to insure a house against fire.
  • To pledge; betroth.
  • Synonyms Insure, Assure. Assure may express the making certain in mind: as, I was assured of safety by his friendly manner; insure has not this sense. Insure is a possible word to express the making certain in fact, and is more common than ensure: as, his lack of money insured his early return; assure has not this sense. Insure and assure are both used of the act of pledging a payment of money upon loss or death, but assure is rarely used in that sense in the United States.
  • To undertake to secure or assure against loss or damage on receipt of a certain payment or premium; make insurance: as, the company insures at a low premium.

from the GNU version of the Collaborative International Dictionary of English.

  • intransitive verb To underwrite; to make insurance.
  • transitive verb To make sure or secure.
  • transitive verb 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

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • verb transitive To provide for compensation if some specified risk occurs. Often agreed by policy (contract) to offer financial compensation in case of an accident, theft or other undesirable event.
  • verb intransitive To deal in such contracts; subscribe to a policy of insurance
  • verb Alternative spelling of ensure: (transitive) To make sure or certain of; guarantee.
  • verb perhaps nonstandard Alternative form of assure: (transitive) To give confidence in the trustworthiness of.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • verb protect by insurance
  • verb make certain of
  • verb take out insurance for
  • verb be careful or certain to do something; make certain of something

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[Middle English ensuren, to assure, from Old French enseurer, possibly variant of assurer; see assure.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

Recorded since c.1440, as a variant of Middle English ensuren (from Anglo-Norman enseurer, itself from en- "make" + Old French seür "sure", probably influenced by Old French asseürer "to assure"); took on its particular sense of "make safe against loss by payment of premiums" in 1635, replacing assure.

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Examples

  • The fact that some cannot afford or more specifcially many choose not to insure is yet another reason we cannot employ to infer we have a problem.

    Thoma Takes on Robert J. Samuelson, Arnold Kling | EconLog | Library of Economics and Liberty 2009

  • So if a 20-year-old who costs just $800 a year to insure is forced to pay $2,500, a 62-year-old who costs $7,500 would pay no more than $5,000.

    Freedoms Lost With Health Care Reform | myFiveBest 2009

  • The most expensive group to insure is that way because they cost a lot to insure.

    Weiner: Senate bill getting worse 2009

  • The Compact Oxford Reference Dictionary defines the word insure as "arrange for compensation in the event of damage to or loss off (property, life or person), in exchange for regular payments to a company."

    Analysis 2010

  • The overhead costs of large companies that self-insure is 5 to 10 percent of premiums), companies in the small group market spend 25 to 27 percent of premiums, and individual insurance spends 40 percent of premiums on administration.

    Wonk Room » How The GOP Budget Misdiagnoses America’s Health Care Crisis 2009

  • It may make sense for an individual to self-insure, that is go bare or elect a policy with a very high deductible, when they can afford a hit on account of property loss.

    The Volokh Conspiracy » Putting Lipstick on the Health-Reform Pig: 2010

  • In the US having a Mexican plated car is no big deal: you can keep it there for a year, no permit, no nothing: just have to insure, which is easy to do. jl1

    Mexican Driving A Canadian Plated Car 2008

  • It may make sense for an individual to self-insure, that is go bare or elect a policy with a very high deductible, when they can afford a hit on account of property loss.

    The Volokh Conspiracy » Putting Lipstick on the Health-Reform Pig: 2010

  • My out of pocket cost was just under $800 a month, along with higher co-pays for office visits and care. despite all of my health problems, I opted to self-insure - in other words, to pay as I go.

    The Medical Establishment And Their Scams Terry Nelson 2007

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    Horses Mouth January 22, 2007 4:24 PM 2007

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