painful

Full of or giving pain.

Causing mental anguish or suffering.

Distressing or embarrassing.

Requiring care and labor; difficult or irksome.

Marked by or requiring great care and diligence.

That gives or is characterized by pain; of a nature to pain, render uneasy, or inflict suffering, whether bodily or mental; distressing: as, a painful operation in surgery; a painful effort; a painful subject.

That requires or necessitates labor, exertion, care, or attention; troublesome; difficult; toilsome.

Painstaking; industrious; busy; careful; laborious; hard-working.

Synonyms and Racking, agonizing, tormenting, torturing, excruciating, arduous, severe, grievous, trying, afflictive.