Past Tenses
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Twenty-first Century Antonyms

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

ancient
  • age-old
  • aged
  • antediluvian
  • antiquated
  • antique
  • archaic
  • back number
  • been around
  • bygone
  • creaky
  • early
  • elderly
  • few miles on
  • fossil
  • hoary
  • lot of mileage
  • moth-eaten
  • obsolete
  • old goat
  • old-fashioned
  • older
antiquated
  • aged
  • ancient
  • antediluvian
  • antique
  • archaic
  • dated
  • elderly
  • fusty
  • hoary
  • moldy
  • obsolescent
  • old
  • old hat
  • old-fangled
  • old-fashioned
  • out-of-date
  • outmoded
  • outworn
  • superannuated
future
  • approaching
  • booked
  • budgeted
  • close at hand
  • coming
  • coming up
  • destined
  • down the line
  • down the pike
  • down the road
  • eventual
  • fated
  • final
  • forthcoming
  • from here in
  • from here on
  • from here to eternity
  • from now on in
  • imminent
  • impending
  • in the cards
obsolete
  • anachronistic
  • ancient
  • antediluvian
  • antiquated
  • antique
  • archaic
  • bygone
  • dated
  • dead
  • dead and gone
  • dinosaur
  • discarded
  • disused
  • done for
  • dusty
  • extinct
  • fossil
  • gone
  • had it
  • has-been
  • horse and buggy
old
  • aged
  • along in years
  • ancient
  • broken down
  • debilitated
  • decrepit
  • elderly
  • enfeebled
  • exhausted
  • experienced
  • fossil
  • geriatric
  • getting on
  • gray
  • gray-haired
  • grizzled
  • hoary
  • impaired
  • inactive
  • infirm
  • mature
old-fashioned
  • ancient
  • antiquated
  • antique
  • archaic
  • behind the times
  • bygone
  • corny
  • dated
  • dead
  • demoded
  • disapproved
  • dowdy
  • démodé
  • extinct
  • grown old
  • moldy
  • musty
  • neglected
  • not current
  • not modern
  • not with it
outdated
  • anachronous
  • antiquated
  • antique
  • archaic
  • back number
  • dated
  • démodé
  • has-been
  • moth-eaten
  • obsolete
  • old
  • old hat
  • out
  • out-of-date
  • out-of-style
  • outmoded
  • passé
  • square
  • tired
  • unfashionable
  • vintage
passe
  • ancient
  • antiquated
  • antique
  • archaic
  • behind the times
  • bygone
  • corny
  • dated
  • dead
  • demoded
  • disapproved
  • dowdy
  • démodé
  • extinct
  • fusty
  • grown old
  • moldy
  • musty
  • neglected
  • not current
  • not modern
passé
  • antiquated
  • belated
  • dated
  • dead
  • disused
  • démodé
  • extinct
  • has-been
  • obsolete
  • out-of-date
  • outdated
  • outmoded
  • outworn
  • superseded
  • unfashionable
  • yesterday
past
  • accomplished
  • ago
  • antecedent
  • anterior
  • completed
  • elapsed
  • ended
  • extinct
  • finished
  • foregoing
  • forgotten
  • former
  • gone
  • gone by
  • over
  • over and done
  • precedent
  • previous
  • prior
  • spent
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