hyperextended
ultralong
superlong
long as one's arm
far
dolicho-
macro-
forever
lengthsome
prolongedly
longways
dragging
lengthways
crow's age
light year
coon's age
blue moon
ages
age
donkey's
grip
years
longwise
durable
indestructible
undestroyable
long-distance
perdurable
mecocephalic
eternity
prolonged
longish
overlong
endless
interminable
elongated
eternal
dog's age
long haul
imperishable
enduring
long
abiding
geographically challenged
macrognathic
overlength
lengthily
overprotracted
eon
time out of mind
long ass
longirostrate
aeon
mile
long-drawn-out
sesquipedalianism
extended
until the cows come home
sesquipedalian
until the cows freeze over
protracted
lengthy
drawn-out
period
stretch
ultrawide
with ages
at length
prolongated
numerous
dree
overwide
inveterately
donkey's years
w
donkey's ears
midlong
country mile
longitudinal
hot minute
lengthen
month of Sundays
longsomely
lifetime
longspun
forever and a day
tract
endlang
slim
eury-
trudge