Synonyms of guarantees

guarantees 1 of 2

verb

present tense third-person singular of guarantee

1

as in bonds

to assume responsibility for the satisfactory quality or performance of

the shop will guarantee all work done on the car for 30 days

Synonyms & Similar Words

• bonds
• assures
• certifies
• guaranties
• contracts
• pledges
• warrants
• vows
• insists
• undertakes
• insures
• testifies (to)
• stipulates
• attests
• declares
• authenticates
• adheres
• swears
• covenants
• witnesses
• asserts
• vouches (for)
• avers
• avows
• avouches
• plights

2

as in ensures

to make sure, certain, or safe

I can guarantee that you'll feel better after using my product for 30 days

Synonyms & Similar Words

• ensures
• assures
• insures
• secures
• guaranties
• promises
• ices
• cinches
• certifies
• vouches
• attests
• witnesses
• warrants
• pledges
• swears

Antonyms & Near Antonyms

• undermines
• weakens
• enfeebles

3

as in declares

to state clearly and strongly

I guarantee that this movie is better than the last one in the series

Synonyms & Similar Words

• declares
• asserts
• announces
• proclaims
• affirms
• professes
• says
• explains
• avers
• avows
• justifies
• assures
• lays down
• promotes
• advertises
• defends
• emphasizes
• pronounces
• avouches
• stresses
• convinces
• upholds
• publicizes
• advances
• boosts
• underlines
• advocates
• underscores
• accentuates
• supports
• persuades
• champions
• accents
• plugs
• reaffirms
• calls
• espouses
• rationalizes
• blazes
• reasserts

Antonyms & Near Antonyms

• minimizes
• ignores
• neglects
• understates
• overlooks
• disregards

guarantees

2 of 2

noun

plural of guarantee

1

as in contracts

a formal agreement to fulfill an obligation

the contractors gave us a written guarantee that the work on the house would be done by Christmas

Synonyms & Similar Words

• contracts
• deals
• assurances
• vows
• guaranties
• pledges
• warranties
• bonds
• covenants
• treaties
• sureties
• pacts
• oaths
• deposits
• seals
• bargains
• conventions
• compacts
• insurances
• words
• securities
• accords
• concordats
• pawns
• troths
• bails

2

as in pledges

something given or held to assure that the giver will keep a promise

you'll have to give your car keys as a guarantee that you'll come back

Synonyms & Similar Words

• pledges
• securities
• promises
• assurances
• guaranties
• deposits
• gages
• pawns
• bonds
• warranties
• commitments
• contracts
• down payments
• oaths
• bails
• sureties
• earnests
• covenants
• handsels
• compacts
• recognizances
• words
• troths

Example Sentences

Recent Examples of guarantees

Verb

Article 4 of the PRC constitution guarantees equality for all its 56 ethnic groups, though in reality the national vision hews to a Han Chinese orthodoxy, which avers a direct lineage from the early Yellow River basin tribes. — Charlie Campbell, Time, 9 July 2026

The list is supposed to go out quarterly, a schedule that guarantees many charges stay off the radar for months — or even longer when the board fails to keep to its publication schedule. — Ashley Hiruko, ProPublica, 8 July 2026

The rooms While no two rooms are the same, each guarantees high levels of coziness. — Condé Nast, Condé Nast Traveler, 8 July 2026

Pennsylvania law guarantees early intervention as a legal right for any child under 3 with a developmental delay of 25% or greater. — Geri Stengel, Forbes.com, 7 July 2026

The Brown Act guarantees the public’s right to attend and participate in meetings of local legislative bodies, including those held online. — Nicole Buss, Sacbee.com, 7 July 2026

By consolidating voting control in the hands of the controller, the company guarantees that management is held accountable by a definitive, central authority. — Jeffrey Sonnenfeld, Fortune, 6 July 2026

Baking this mac and cheese on a sheet pan guarantees creamy centers and crispy edges in every bite. — Sarah Martens, Better Homes & Gardens, 4 July 2026

Nathan Freed Wessler, deputy director of the ACLU's speech, privacy and technology project, said the First Amendment guarantees the right to criticize the government. — Landon Mion, FOXNews.com, 1 July 2026

Noun

There are no guarantees in life, but that hasn’t stopped mankind from consistently searching for some semblance of security. — Ben Travers, IndieWire, 9 July 2026

Anyone who claims that government ownership of corporate equity guarantees failure has to explain them. — James Broughel, Forbes.com, 8 July 2026

The union sought guarantees that studios wouldn’t rely on AI, and the final labor agreement limits its use. — Jessica Schladebeck, New York Daily News, 8 July 2026

International support for Israel’s offensive began to wane, and Hamas refused to agree to another deal to release hostages without guarantees of a permanent ceasefire. — Britannica Editors, Encyclopedia Britannica, 7 July 2026

Oblivious to all this is baby Elliot, who has all this to look forward to in later life, assuming Vibeke makes it (and there are no guarantees). — Damon Wise, Deadline, 6 July 2026

And strong support policies, such as an extended return window and money-back guarantees, now act as safeguards that can help customers feel more confident about their purchase. — K.h. Koehler, USA Today, 2 July 2026

There are few guarantees in life, but a new Rhythm Heaven being great is one of them. — Andrew Webster, The Verge, 1 July 2026

The project includes minimum revenue guarantees to support landfill operations. — Daniel Lempres, Sacbee.com, 30 June 2026