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Showing results for guarantee. Search instead for Fidelity-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.

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

From MarketWatch • May 6, 2026

It is understood Vodafone argues there was never a promise of a profit guarantee and the £40,000 figure was a goal for earnings in year one.

From BBC • May 5, 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

This week’s deal is a milestone, but no guarantee that a bill to regulate the crypto industry becomes law.

From Barron's • May 2, 2026

“It cannot guarantee that these ideas will stop at its borders.”

From "Fallout: Spies, Superbombs, and the Ultimate Cold War Showdown" by Steve Sheinkin

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