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guarantee

[gar-uh n-tee]
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noun
  1. a promise or assurance, especially one in writing, that something is of specified quality, content, benefit, etc., or that it will perform satisfactorily for a given length of time: a money-back guarantee.
  2. an assurance that another’s obligation will be fulfilled, or something presented as such security; guaranty(defs 1, 2).
  3. something that assures a particular outcome or condition: Wealth is no guarantee of happiness.
  4. a person who gives a guarantee or guaranty; guarantor.
  5. a person to whom a guarantee is made.
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verb (used with object), guar·an·teed, guar·an·tee·ing.
  1. to secure, as by giving or taking security: A credit card guarantees your reservation at the hotel.
  2. to make oneself answerable for (something) on behalf of someone else who is primarily responsible: to guarantee the fulfillment of a contract.
  3. to undertake to ensure for another, as rights or possessions: The Constitution guarantees freedom of religion.
  4. to serve as a warrant or guaranty for.
  5. to undertake to protect or indemnify: to guarantee a person against loss.
  6. to undertake (to do something): I will guarantee to prove every word I stated.
  7. to promise (usually followed by a clause as object): I guarantee that I'll be there.
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Origin of guarantee

First recorded in 1670–80; alteration of guaranty
Related formsnon·guar·an·tee, nounpre·guar·an·tee, noun, verb (used with object), pre·guar·an·teed, pre·guar·an·tee·ing.qua·si-guar·an·teed, adjectivere·guar·an·tee, noun, verb (used with object), re·guar·an·teed, re·guar·an·tee·ing.su·per·guar·an·tee, noun, verb, su·per·guar·an·teed, su·per·guar·an·tee·ing.un·guar·an·teed, adjective
Can be confusedguarantee guaranty warrantee warranty
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for unguaranteed

Historical Examples

  • This unguaranteed currency caused endless confusion and fraud.

    Fiat Money Inflation in France

    Andrew Dickson White

  • The penalty of any crime committed by an unguaranteed person was to fall on that person's relations.


British Dictionary definitions for unguaranteed

guarantee

noun
  1. a formal assurance, esp in writing, that a product, service, etc, will meet certain standards or specifications
  2. law a promise, esp a collateral agreement, to answer for the debt, default, or miscarriage of another
    1. a person, company, etc, to whom a guarantee is made
    2. a person, company, etc, who gives a guarantee
  3. a person who acts as a guarantor
  4. something that makes a specified condition or outcome certain
  5. a variant spelling of guaranty
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verb -tees, -teeing or -teed (mainly tr)
  1. (also tr) to take responsibility for (someone else's debts, obligations, etc)
  2. to serve as a guarantee for
  3. to secure or furnish security fora small deposit will guarantee any dress
  4. (usually foll by from or against) to undertake to protect or keep secure, as against injury, loss, etc
  5. to ensuregood planning will guarantee success
  6. (may take a clause as object or an infinitive) to promise or make certain
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Word Origin

C17: perhaps from Spanish garante or French garant, of Germanic origin; compare warrant
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

Word Origin and History for unguaranteed

guarantee

n.

1670s, alterted (perhaps via Spanish garante), from earlier garrant "warrant that the title to a property is true," early 15c., from Old French garant "defender, protector," from Germanic (see warrant (n.)). For form evolution, see gu-. Originally "person giving something as security;" sense of the "pledge" itself (which is properly a guaranty) developed 17c.

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guarantee

v.

1791, from guarantee (n.). Garanten in this sense is from early 15c. Related: Guaranteed; guaranteeing.

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Online Etymology Dictionary, © 2010 Douglas Harper