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Definition of guarantee verb from the Oxford Advanced Learner's Dictionary

guarantee

verb
 
/ˌɡærənˈtiː/
 
/ˌɡærənˈtiː/
Verb Forms
present simple I / you / we / they guarantee
 
/ˌɡærənˈtiː/
 
/ˌɡærənˈtiː/
he / she / it guarantees
 
/ˌɡærənˈtiːz/
 
/ˌɡærənˈtiːz/
past simple guaranteed
 
/ˌɡærənˈtiːd/
 
/ˌɡærənˈtiːd/
past participle guaranteed
 
/ˌɡærənˈtiːd/
 
/ˌɡærənˈtiːd/
-ing form guaranteeing
 
/ˌɡærənˈtiːɪŋ/
 
/ˌɡærənˈtiːɪŋ/
Idioms
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  1. to promise to do something; to promise something will happen
    • guarantee something Basic human rights, including freedom of speech, are now guaranteed.
    • They told aid workers to leave, saying they could not guarantee their safety.
    • I personally guarantee total and immediate support in all measures undertaken.
    • guarantee (that)… We cannot guarantee (that) our flights will never be delayed.
    • guarantee somebody something The ticket will guarantee you free entry.
    • guarantee to do something We guarantee to deliver your goods within a week.
    Oxford Collocations Dictionaryadverb
    • absolutely
    • personally
    • constitutionally
    verb + guarantee
    • be able to
    • can
    phrases
    • be fully guaranteed
    See full entry
  2. to give a written promise to replace or repair a product free if it goes wrong
    • All our electrical goods are fully guaranteed.
    • guarantee something against something This iron is guaranteed for a year against faulty workmanship.
  3. to make something certain to happen
    • guarantee something Tonight's victory guarantees the team's place in the final.
    • guarantee somebody something These days getting a degree doesn't guarantee you a job.
    Extra Examples
    • The process of training and qualification does not automatically guarantee you a job.
    • A degree does not automatically guarantee you a job.
    • The complicated electoral system effectively guarantees the president's re-election.
    Topics Doubt, guessing and certaintyb2
    Oxford Collocations Dictionaryadverb
    • absolutely
    • almost
    • practically
    See full entry
  4. guarantee (that)… to be certain that something will happen
    • You can guarantee (that) the children will start being naughty as soon as they have to go to bed.
    Extra Examples
    • The outcome is by no means guaranteed.
    • I can absolutely guarantee that you will enjoy the show.
    Topics Doubt, guessing and certaintyc1
  5. to agree to be legally responsible for something or for doing something, especially for paying back money that somebody else owes if they cannot pay it back themselves
    • guarantee something to guarantee a bank loan
    • guarantee to do something to guarantee to pay somebody’s debts
    • guarantee that… I guarantee that he will appear in court.
    • His father agreed to guarantee the bank loan.
Idioms
be guaranteed to do something
  1. to be certain to have a particular result
    • If we try to keep it a secret, she's guaranteed to find out.
    • That kind of behaviour is guaranteed to make him angry.
    • The film is virtually guaranteed to do well at the box office.
    Synonyms certaincertainbound sure definite guaranteedThese are all words describing something that will definitely happen or is definitely true.certain that you can rely on to happen or be true:
    • It’s certain that they will agree.
    • They are certain to agree.
    bound [not before noun] certain to happen, or to do or be something. Bound is only used in the phrase bound to do/​be, etc.: You’ve done so much work—you’re bound to pass the exam.There are bound to be changes when the new system is introduced. sure certain to happen or be true; that can be trusted or relied on:
    • She’s sure to be picked for the team.
    • It’s sure to rain.
    definite (rather informal) certain to happen; that is not going to change:
    • Is it definite that he’s leaving?
    guaranteed certain to have a particular result:
    • That kind of behaviour is guaranteed to make him angry.
    Patterns
    • certain/​sure of something
    • certain/​bound/​sure/​guaranteed to do something
    • certain/​definite that…
    • I couldn’t say for certain/​sure/​definite.
    Topics Change, cause and effectc1, Doubt, guessing and certaintyc1
See guarantee in the Oxford Advanced American DictionarySee guarantee in the Oxford Learner's Dictionary of Academic English
trait
noun
 
 
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