Thesaurus.com
Dictionary.com
Showing results for guarantee.
Definitions

guarantee

[gar-uhn-tee] / ˌgær ənˈti /
NOUN
pledge, promise
Synonyms
STRONGEST
agreement assurance certificate collateral contract deposit insurance security warranty
STRONG
attestation bail bargain bond certainty certification charter covenant earnest gage guaranty lock oath pawn pipe recognizance surety testament token undertaking vow warrant word
WEAK
sure thing word of honor
Antonyms
STRONGEST
disagreement uncertainty
STRONG
breach break
VERB
pledge, promise
Synonyms
STRONGEST
assure ensure insure maintain protect prove secure support
STRONG
affirm angel attest aver back bankroll certify confirm cosign endorse evidence evince grubstake guaranty juice mortgage reassure stake swear testify wager warrant witness
WEAK
answer for be surety for bind oneself get behind give bond make bail make certain make sure pick up the check pick up the tab sign for stand behind stand up for vouch for
Antonyms
STRONGEST
harm hurt injure let go neglect
STRONG
contradict deny discourage disprove invalidate oppose refute reject repudiate veto
WEAK
break

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Australia's Education Minister Jason Clare said it wasn't a "guarantee" of safety but is "an essential component" to keeping children safe.

From BBC • May 6, 2026

A peace deal wouldn’t guarantee immediate gas-price relief, experts say.

From MarketWatch • May 6, 2026

If those conditions are met, the coalition can deploy resources to guarantee the safety of vessels passing through the strait and "help restore the confidence needed to calm the markets".

From Barron's • May 6, 2026

Celebrities no longer guarantee a stampede at the virtual box office, but one encouraging development is the range of big-named actors delivering powerhouse performances in plays that were anything but vanity showcases.

From Los Angeles Times • May 5, 2026

“Hard work doesn’t guarantee success, only no regrets,” Seven said automatically, reciting one of her parents’ favorite Ravenskillian sayings.

From "Witchlings" by Claribel A. Ortega

Vocabulary lists containing guarantee

Declaration of the Rights of Woman (1791)

Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!

Frindle

Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!

"The Constitution"

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!