unfashionable
unstylish
abandoned
abjured
antiquated
antique
archaic
back-number
behind the times
dated
dead
demode
deserted
discontinued
disused
done with
extinct
frumpy
has-been
not worth saving
obsolescent
obsolete
old
old hat
old-fashioned
old-timey
oldfangled
on the shelf
out
out of fashion
out of season
out of use
out-of-date
outdated
outworn
passe
past use
pensioned off
relinquished
renounced
resigned
retired
stodgy
styleless
superannuate
superannuated
superseded
Aristotelian
Copernican
close-minded
counterproductive
dialectal
divisive
dry
features
gawky
hurt
inxationary
repressive
resourceless
self-deluding
sleazy
steady-state
totalitarian
unmoral
unplugged
unprofessional
unresponsive
coded
corroded
decoded
encoded
eroded
exploded
goaded
imploded
loaded
moded
reloaded
unexploded
unloaded