“That exquisite creature, so gentle and heavenly, was but a tyrant. She was the pitiless tyrant and torturer of my soul!”
“His mother's pitiless remarks about his father's illness and incapacities, about which she felt no embarrassment in expressing in his presence, enraged Henry.”
“The educated reader knew who was behind this pitiless satire on the decadence of the nobility.”
pitiable
That deserves, evokes or can be given pity; pitiful.