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out of date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