guarantees

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.

It guarantees a place at finals night on 28 May for the third successive year and rounds off a remarkable few weeks for the world number two.

From BBC • May 14, 2026

Proposition 98 guarantees a minimum annual funding amount for K-12 schools and community colleges.

From Los Angeles Times • May 13, 2026

You’re not wrong about the S&P 500, although there are no guarantees that past success predicts future success, as the past few years of the index illustrates.

From MarketWatch • May 7, 2026

Turk urged Cambodia to ensure that legitimate criticism and expression are protected rather than criminalised, to safeguard civic space, to guarantee the independence of the judiciary and uphold fair trial guarantees.

From Barron's • May 1, 2026

Nothing guarantees that mathematicians will be interested in taking this further step.

From "The Invention of Science" by David Wootton