Betamax
obsolesce
go out with the ark
obsolete
superannuate
go by the wayside
obsolescent
antiquate
obsolescence
antiquation
outdate
outmoded
primitive
go the way of the dinosaurs
defunct
on its way out
erasively
life-expired
go the way of the dodo
unclew
moribund
expirable
outdatedly
dated
obsoleter
obsoletor
out of the ark
outdatedness
rustiness
extinct
rise from the dead
abolishable
unhappen
outmode
go out
unwork
cut out
erasably
paleolithic
paleologism
failed
wreck
run into the ground
soil
superannuated
stub out
ruin
stagnate
neolithic
undockable