Synonyms of guaranteed

guaranteed

verb

past tense of guarantee

1

as in assured

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

• assured
• bonded
• certified
• warranted
• pledged
• guarantied
• contracted
• vowed
• testified (to)
• insisted
• stipulated
• insured
• declared
• attested
• undertook
• authenticated
• adhered
• swore
• asserted
• vouched (for)
• witnessed
• averred
• covenanted
• plighted
• avouched
• avowed

2

as in ensured

to make sure, certain, or safe

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

Synonyms & Similar Words

• assured
• ensured
• secured
• insured
• guarantied
• promised
• cinched
• iced
• certified
• vouched
• warranted
• attested
• pledged
• witnessed
• swore

Antonyms & Near Antonyms

• undermined
• weakened
• enfeebled

3

as in declared

to state clearly and strongly

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

Synonyms & Similar Words

• declared
• asserted
• announced
• proclaimed
• professed
• affirmed
• said
• averred
• explained
• laid down
• avowed
• justified
• advertised
• assured
• promoted
• defended
• convinced
• upheld
• pronounced
• avouched
• stressed
• emphasized
• publicized
• boosted
• advocated
• persuaded
• advanced
• championed
• accented
• accentuated
• plugged
• underlined
• underscored
• blazed
• supported
• called
• reaffirmed
• rationalized
• espoused
• reasserted

Antonyms & Near Antonyms

• minimized
• ignored
• neglected
• disregarded
• understated
• overlooked