RichThesaurus
past its prime
past its prime
synonyms
obsolescent
on the decline
outmoded
out of date
old-fashioned
on its last legs
waning
disappearing
on the way out
moribund
declining
oldfangled
olde worlde
in decline
ancient
primitive
antediluvian
behind the times
defunct
aged
going out of use
antiquated
discarded
démodé
very old
crumbling
out of the ark
becoming obsolete
decaying
past it
dying
antwacky
dying out
passé
on the wane
superannuated
bygone
ageing
prehistoric
discontinued
going out of fashion
having seen better days
obsolete
atrophying
collapsing
extinct
archaic
failing
fossilized
anachronistic
more synonyms
past its prime
antonyms
new
modern