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.

Once oil fields slow down, there is no guarantee they return to previous production rates.

From The Wall Street Journal

The lawyers said the memo noted the safety of talc for babies could no longer be guaranteed.

From BBC

I can guarantee that none of the Moroccan side is going to celebrate.

From BBC

Of course, simply working hard isn’t a guarantee of major career advancement.

From MarketWatch

“There are no guarantees that additional solutions will become available to help these drivers and their employers.”

From Los Angeles Times