overprotracted
overlong
dragging
drawn-out
overkeep
overfast
overquickly
forever
ultralong
long as one's arm
longsome
superlong
overswiftly
long-span
drag on
overrigorously
month of Sundays
eon
lifetime
overhurriedly
hot minute
overstrenuously
prolongedly
protracted
extended
until the cows come home
prolonged
until the cows freeze over
lengthy
long
prolongated
crow's age
overstride
take one's sweet time
overquick
light year
coon's age
years
eternal
overlengthen
overrun
overbusy
Rome wasn't built in a day
overhard
interminable
hyperextended
endless
far
longish
overhaste
for hours
long-drawn-out
overslow
durable
overminute
undestroyable
aeon
perdurable
overhasty
indestructible
blue moon
outreach
ages
age
eternity
grip
donkey's
imperishable
abiding
enduring
forever and a day
in haste
drawn out
Rome wasn't burned in a day
time out of mind
overgoaded
strung out
extralong
eudemic
overhastily
prolong
overhurry
overhurried
at length
overspeedy
go all around the Wrekin
outstay
inveterately
overstay
long time
overtime
longwhiles