painful
acute
afflictive
agonizing
atrocious
biting
consuming
cramping
cruel
desolating
distressful
distressing
exquisite
extreme
gnawing
grave
griping
hard
harrowing
harsh
heartbreaking
heartrending
heartsickening
heartwounding
hurtful
hurting
insufferable
intense
keen
paroxysmal
piercing
poignant
pungent
racking
rending
severe
sharp
shooting
spasmatic
spasmic
spasmodic
stabbing
stinging
tearing
tormenting
torturing
torturous
unbearable
cruciate
excruciate
excruciatingly
acutest
agonize
convulsive
debilitate
frightful
grievous
madden
needless
pleasurable
sicken
unbelievable
unendurable
unimaginable
unremitting
unspeakable
untold