Tra từ guarantee - Từ điển Oxford Advanced Learner 8th

guar·an·tee AW [guarantee guarantees guaranteed guaranteeing] noun, verb BrE [ˌɡærənˈtiː] NAmE [ˌɡærənˈtiː]
noun
1. a firm promise that you will do sth or that sth will happen
Syn: ↑assurance
•to give a guarantee of good behaviour
• He gave me a guarantee that it would never happen again.
• They are demanding certain guarantees before they sign the treaty.
2. a written promise given by a company that sth you buy will be replaced or repaired without payment if it goes wrong within a particular period
Syn: ↑warranty
• We provide a 5-year guarantee against rust.
• The watch is still under guarantee.
•The television comes with a year's guarantee.
•a money-back guarantee
3. something that makes sth else certain to happen
•~ (of sth) Career success is no guarantee of happiness.
•~ (that…) There's no guarantee that she'll come (= she may not come).
4. money or sth valuable that you give or promise to a bank, for example, to make sure that you will do what you have promised
•We had to offer our house as a guarantee when getting the loan.
5. a written promise to pay back money that sb else owes, or do sth that sb else promised to do, if they cannot do it themselves
•A close relative, usually a parent, can provide a guarantee for the loan.

Word Origin:
late 17th cent. (in the sense ‘guarantor’): perhaps from Spanish garante, corresponding to French garant, later influenced by French garantie ‘guaranty’.

Thesaurus:
guarantee noun C
•The union wants a guarantee that there witll be no job losses.
promise • • assurance • • commitment • |especially journalism pledge •
a guarantee/promise/commitment/pledge to do sth
a/an guarantee/promise/assurance/pledge that…
give a/an guarantee/promise/assurance/commitment/pledge
Guarantee, promise or pledge? Promise is the most general and frequent of these words, and the only one used of personal relationships:
•She had forgotten her promise to call me
✗ She had forgotten her guarantee/pledge to call me. Guarantee is used especially in matters of business; pledge is used especially in politics:
•election/campaign/manifesto pledges

Example Bank:
•Arriving early is no longer a guarantee of getting a place.
•Driving into town early is no longer a guarantee of getting a parking space.
•The car is still under guarantee, so you should be able to get it repaired free of charge.
•The company offers a full money-back guarantee.
•The contractors offer a full money-back guarantee on all their work.
•The country gives a constitutional guarantee of the rights of minorities.
•The demonstrators were demanding guarantees for fair elections.
•The garage gives a year's guarantee for all repair work.
•The window frames carry a 20-year guarantee against rot or decay.
•There was no guarantee against misuse of the king's power.
•We didn't get any firm guarantee of a loan.
•He received a guarantee that the documents would not be published.
•The union wants cast-iron guarantees that there will be no job losses.
•They insisted on having a written guarantee of good conduct from her.
Idiom: ↑guaranteed to do something

verb
1. to promise to do sth; to promise sth will happen
•~ sth Basic human rights, including freedom of speech, are now guaranteed.
•~ (that)… We cannot guarantee (that) our flights will never be delayed.
•~ sb sth The ticket will guarantee you free entry.
•~ to do sth We guarantee to deliver your goods within a week.
2. ~ sth (against sth) to give a written promise to replace or repair a product free if it goes wrong
• This iron is guaranteed for a year against faulty workmanship.
3. to make sth certain to happen
•~ sth Tonight's victory guarantees the team's place in the final.
•~ sb sth These days getting a degree doesn't guarantee you a job.
4. ~ (that)… to be certain that sth will happen
•You can guarantee (that) the children will start being naughty as soon as they have to go to bed.
5. to agree to be legally responsible for sth or for doing sth, especially for paying back money that sb else owes if they cannot pay it back themselves
•~ sth to guarantee a bank loan
•~ to do sth to guarantee to pay sb's debts
•~ that… I guarantee that he will appear in court.
Verb forms:

Word Origin:
late 17th cent. (in the sense ‘guarantor’): perhaps from Spanish garante, corresponding to French garant, later influenced by French garantie ‘guaranty’.

Thesaurus:
guarantee verb
1. T
•We guarantee next day delivery.
promise • • assure • • pledge • |formal business undertake •
guarantee/promise/pledge/undertake to do sth
guarantee/promise/pledge that…
guarantee/promise/pledge your support
Guarantee or promise? When you promise sth, you make a personal commitment to do sth. Guarantee is less personal; when you guarantee sth, you mean that you will make sure that it happens. You have a moral duty to do what you have promised, but you may also have a legal duty to do what you have guaranteed.
2. T
•Getting a degree doesn't guarantee you a job.
assure • • make sure • • ensure • • see to it that… •
guarantee/make sure/ensure/see to it that…
guarantee/assure/ensure the success/survival/quality of sth
Which word? Ensure and make sure are often used in orders or instructions:
•Please ensure/make sure that the gas is switched off.
✗ Please guarantee/assure that the gas is switched off. Guarantee and assure can suggest that feelings of worry or doubt are removed.

Synonyms:
certain
bound • sure • definite • guaranteed
These are all words describing sth 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 sth. Bound is only used in the phrase bound to do/be, etc.: ▪ There are bound to be changes when the new system is introduced. ◇ ▪ You've done so much work— you're bound to pass the exam.
sure • certain to happen or be true; that can be trusted on 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.
certain/sure of sth
certain/bound/sure/guaranteed to do sth
certain/definite that…
I couldn't say for certain/sure/definite.

Example Bank:
•A degree does not automatically guarantee you a job.
•All our electrical goods are fully guaranteed.
•I can absolutely guarantee that you will enjoy the show.
•I personally guarantee total and immediate support in all measures undertaken.
•The complicated electoral system effectively guarantees the president's re-election.
•The outcome is by no means guaranteed.
•The process of training and qualification does not automatically guarantee you a job.
•His father agreed to guarantee the bank loan.
•The film is virtually guaranteed to do well at the box office.
•These days getting a degree doesn't guarantee you a job.
•Tonight's victory guarantees the team's place in the final.
•You can guarantee that the children will start being naughty as soon as they have to go to bed.