overage
overaged
decrepitude
dilapidation
hyperaged
overmature
over-old
overmatured
overlive
veteration
anti-aging
gerontology
senescent
extend
long-span
oldify
make older
eudemic
obsoletion
superannuated
drag on
send to the glue factory
overprotracted
superannuate
drawn out
consenescence
drawn-out
infirmity
month of Sundays
overkeep
geroprotection
long-lived
put out to pasture
pantaloon
protracted
past it
longevously
age like milk
gerosuppressant
put out
grow out of
until the cows freeze over
senility
senescence
until the cows come home
overrun
built-in obsolescence
abiding
ageing
aging