Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

Thesaurus

guarantee

verb

Synonyms and Antonyms of guarantee

  1. 1 to assume responsibility for the satisfactory quality or performance of <the shop will guarantee all work done on the car for 30 days> Synonyms warrant, guarantyRelated Words attest, authenticate, avouch, certify, testify (to), vouch (for), witness; assure, bond, contract, covenant; pledge, plight, stipulate, swear, undertake, vow; adhere, assert, aver, avow, declare, insist; insure

  2. 2 to make sure, certain, or safe <I can guarantee that you'll feel better after using my product for 30 days> Synonyms assure, cinch, ensure, guaranty, ice, insure, secureRelated Words attest, certify, vouch, warrant, witness; pledge, promise, swearNear Antonyms enfeeble, undermine, weaken

  3. 3 to state clearly and strongly <I guarantee that this movie is better than the last one in the series> Synonyms affirm, aver, avouch, avow, declare, assert, lay down, professRelated Words advance, advertise, boost, plug, promote, publicize; announce, blaze, call, proclaim, pronounce, say; accent, accentuate, emphasize, stress, underline, underscore; advocate, champion, defend, espouse, support, uphold; assure, convince, persuade; explain, justify, rationalize; reaffirm, reassertNear Antonyms minimize, understate; disregard, ignore, neglect, overlook




guarantee

noun

Synonyms and Antonyms of guarantee

  1. 1 a formal agreement to fulfill an obligation <the contractors gave us a written guarantee that the work on the house would be done by Christmas> Synonyms bond, contract, covenant, deal, guaranty, surety, warranty Related Words oath, pledge, troth, vow, word; accord, bargain, compact, concordat, convention, pact, treaty; assurance, insurance, seal; bail, deposit, pawn, security

  2. 2 something given or held to assure that the giver will keep a promise <you'll have to give your car keys as a guarantee that you'll come back> Synonyms gage, pledge, guaranty, pawn, securityRelated Words bail, bond; deposit, down payment, earnest, handsel; surety, warranty; assurance, oath, promise, troth, word; commitment, compact, contract, covenant; recognizance





Seen and Heard

What made you want to look up guarantee? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to destroy or remove completely

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

two-chairs-on-a-pier-by-the-ocean-in-summer

Which of the following words means “of or relating to summer”?

estival vernal hiemal brumal
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ