affected with, causing, or characterized by pain

a painful wound; a painful night; a painful memory.

laborious; exacting; difficult

a painful life.

Archaic . painstaking; careful.

adjective

delightful , easy , painless , pleasant

adjective

aching , afflictive , agonizing , arduous , awful , biting , burning , caustic , difficult , dire , disagreeable , distasteful , distressing , dreadful , excruciating , extreme , extremely bad , grievous , hard , harrowing , hurtful , hurting , inflamed , irritated , laborious , piercing , raw , saddening , sensitive , severe , sharp , smarting , sore , stinging , tedious , tender , terrible , throbbing , tormenting , troublesome , trying , uncomfortable , unpleasant , vexatious , achy , nagging , indigestible , unpalatable , acute , angry , annoying , dolorous , grueling , irksome , racking , toilsome