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.

They show only what markets did during the period studied — so, alas, there are no perfect guarantees.

From MarketWatch

And ask any Chicago White Sox fan if playing in a large metropolitan area guarantees success.

From The Wall Street Journal

It buys mortgages from lenders, packages them to sell to investors and guarantees the payments on them.

From The Wall Street Journal

These include guarantees that the United States and Israel do not resume the war and compensation for war damages.

From Barron's

The winners in south Wales on Thursday are guaranteed a home final against the winners of Italy or Northern Ireland on Tuesday, 31 March.

From BBC