Synonyms for

Guaranteed

Verb / ˌgerʌˈnti:d / Another word for guaranteed — explore alternatives below. For syllable breakdowns and pronunciation, see this word on Syllablesworld.

Definition

To make sure or certain; to promise or give a pledge.

Synonyms & similar words

warrant ensure insure assure secure guarantee undertake vouch assured secured promised pledged warranted affirmed confirmed ensured insured protected sealed stipulated undertook backed bolstered reinforced supported validated

Synonyms by register

Formal

assured certain warranted secured

Informal

sure locked set a sure thing

Literary

pledged vouched

Antonyms

uncertain doubtful possible contingent unassured iffy

Common collocations

  • guaranteed to succeed
  • guaranteed to fail
  • guaranteed income
  • guaranteed to win
  • guaranteed return
  • guaranteed employment
  • guaranteed to work

Word family

noun guarantee
verb guarantee
adjective guaranteed
adverb guaranteedly

Usage note

Often used informally to express strong certainty about a future outcome, sometimes hyperbolically. Can also refer to a formal promise or assurance.

Example sentences

  1. The store guaranteed that the product would work or you would get your money back.
  2. I can't guarantee that it will snow tomorrow, but I'll check the weather report.
  3. The company guaranteed the quality of their product.
  4. She guaranteed her friend that she would finish her homework on time.
  5. The warranty guarantees that the product will be replaced if it breaks within a year.

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