9 Grammatical Pitfalls


[gar-uh n-tee] /ˌgær ənˈti/
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.
an assurance that another’s obligation will be fulfilled, or something presented as such security; guaranty (defs 1, 2).
something that assures a particular outcome or condition:
Wealth is no guarantee of happiness.
a person who gives a guarantee or guaranty; guarantor.
a person to whom a guarantee is made.
verb (used with object), guaranteed, guaranteeing.
to secure, as by giving or taking security:
A credit card guarantees your reservation at the hotel.
to make oneself answerable for (something) on behalf of someone else who is primarily responsible:
to guarantee the fulfillment of a contract.
to undertake to ensure for another, as rights or possessions:
The Constitution guarantees freedom of religion.
to serve as a warrant or guaranty for.
to undertake to protect or indemnify:
to guarantee a person against loss.
to undertake (to do something):
I will guarantee to prove every word I stated.
to promise (usually followed by a clause as object):
I guarantee that I'll be there.
Origin of guarantee
1670-80; alteration of guaranty
Related forms
nonguarantee, noun
preguarantee, noun, verb (used with object), preguaranteed, preguaranteeing.
quasi-guaranteed, adjective
reguarantee, noun, verb (used with object), reguaranteed, reguaranteeing.
superguarantee, noun, verb, superguaranteed, superguaranteeing.
unguaranteed, adjective
Can be confused
guarantee, guaranty, warrantee, warranty. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for guarantee
  • Their agreement doesn't guarantee certainty, only a good bet.
  • The bank-loan guarantee and expanded deposit-insurance limits should eliminate that risk.
  • How I guarantee happiness at the end of every course.
  • It may be a glitch, but I guarantee you that they are using it to their full advantage.
  • He had very good news, he said: He could guarantee that the next morning we would see a bonobo.
  • The triennial competition she has endowed will guarantee that future generations can share her appreciation.
  • The shopping guarantee works two ways.
  • Because almost all battery guarantees are prorated by the month.
  • Adequate preheating and sufficient coals should guarantee that the grill is hot when it is time to cook fish.
  • There's no guarantee, though, that your fund's yield will exceed the rising rate of inflation.
British Dictionary definitions for guarantee


a formal assurance, esp in writing, that a product, service, etc, will meet certain standards or specifications
(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
a person who acts as a guarantor
something that makes a specified condition or outcome certain
a variant spelling of guaranty
verb (mainly transitive) -tees, -teeing, -teed
(also transitive) to take responsibility for (someone else's debts, obligations, etc)
to serve as a guarantee for
to secure or furnish security for: a small deposit will guarantee any dress
usually foll by from or against. to undertake to protect or keep secure, as against injury, loss, etc
to ensure: good planning will guarantee success
(may take a clause as object or an infinitive) to promise or make certain
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
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Word Origin and History for guarantee

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.


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

Online Etymology Dictionary, © 2010 Douglas Harper
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