superannuate
go by the wayside
obsolesce
go out with the ark
Betamax
outdate
go the way of the dodo
antiquate
obsolete
go the way of the dinosaurs
outmode
obsolescence
outdatedness
antiquation
superannuated
ruin
obsolescent
fuddy-duddy
wreck
antediluvian
out of the ark
life-expired
eviscerate
erasability
ossified
Neanderthal
obsoleter
obsoletor
decivilize
venerable
go off the boil
on its way out
obsoleteness
nix
technostalgia
outdatedly
eradicable
vitiate
void
deintellectualize
outdated
have seen one's day
abolishable
stagnate
archaization
amorphize
extinct
antediluvial
run out
stale