Englishpainful
adjective
1 a painful arm:
sore, hurting, hurt, tender, aching, throbbing, smarting, burning, irritating, agonizing, excruciating;
informal gut-wrenching.
2 a painful experience:
distressing, unpleasant, nasty, bitter, awful, disquieting, disturbing, upsetting, traumatic, miserable, wretched, sad, heartbreaking, heart-rending, agonizing, harrowing, mortifying;
unendurable, unbearable, torturous, cruel, uncomfortable, disagreeable;
rare distressful.
▷antonyms pleasant, agreeable.
painful Oxford Dictionary of English