Past Tenses
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Authenticate Antonyms

Trying to find opposite word for authenticate in English? No problem. Our site contains antonyms of authenticate in 10 different contexts. We have listed all the opposite words for authenticate alphabetically.

contradict
  • belie
  • buck
  • call in question
  • challenge
  • confront
  • contravene
  • controvert
  • counter
  • counteract
  • cross
  • dare
  • deny
  • differ
deny
  • abjure
  • abnegate
  • ban
  • begrudge
  • call on
  • contradict
  • contravene
  • controvert
  • curb
  • disacknowledge
  • disallow
  • disavow
  • disbelieve
disapprove
  • blame
  • censure
  • chastise
  • criticize
  • damn
  • decry
  • denounce
  • deplore
  • deprecate
  • detract
  • disallow
  • discommend
  • discountenance
disavow
  • abjure
  • contradict
  • deny
  • disacknowledge
  • disallow
  • disclaim
  • disown
  • drop out
  • forswear
  • gainsay
  • go back on word
  • impugn
  • negate
discredit
  • blow up
  • bring into disrepute
  • bring to naught
  • censure
  • defame
  • degrade
  • destroy
  • disconsider
  • disesteem
  • disfavor
  • disgrace
  • dishonor
  • disparage
disprove
  • belie
  • blow sky high
  • blow up
  • break
  • confound
  • confute
  • contradict
  • contravene
  • controvert
  • deny
  • disconfirm
  • discredit
  • explode
invalidate
  • X-out
  • abate
  • abolish
  • abrogate
  • annihilate
  • annul
  • blow sky-high
  • cancel
  • circumduct
  • counteract
  • counterbalance
  • disannul
  • discredit
oppose
  • argue
  • assail
  • assault
  • attack
  • bar
  • battle
  • bombard
  • call in question
  • check
  • combat
  • confront
  • contradict
  • controvert
reject
  • burn
  • cashier
  • cast aside
  • cast off
  • cast out
  • chuck
  • decline
  • deny
  • despise
  • disallow
  • disbelieve
  • discard
  • discount
repudiate
  • abandon
  • abjure
  • apostatize
  • banish
  • be against
  • break with
  • cast
  • cast off
  • cut off
  • decline
  • default
  • defect
  • demur

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