obsolescence
go by the wayside
behind the times
obsolesce
antiquate
obsolete
superannuate
antiquation
fossilization
go out with the ark
obsolescent
didine
out-of-dateness
dated
old
Betamax
outdatedness
go the way of the dodo
dodoesque
on its way out
senescent
neolithic
outdatedly
expiry date
outdate
stale
go the way of the dinosaurs
off time
deperish
fossilize
outdated
have seen one's day
prehistoric
life-expired
evaginate
beyond
drop behind
postscientific
overbuilt
moss-grown
outmode
upgrade
rustiness
from the dead
transientness
grind to a halt
stagnate
devalorization
you can't put an old head on young shoulders
retrodimerize
footle about
fallow
footle around
dried out
outmoding
larval
moribund
downturn
future shock
obsoletely
vieux jeu
die on the vine
overmodernization
archaization
grow into
rust
go off the boil
technostalgia
underdevelopment
backdating
expired
dying
yesterday
misphase
nonobsolescence
transeunt
underutilization
abnormalization
superannuation
come back from the dead
obsoleteness
paleolithic
wasting
underfundedness
cobwebbed
superannuated
fall off the wagon
nonuse
failed
holding pattern
refresh
deintellectualize

English words for 'The process of becoming obsolete, outmoded or out of date.'

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