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outdated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