W: (adj) painless [Indirect via painful] (not causing physical or psychological pain) "painless dentistry"
S: (adj) afflictive, painful, sore (causing misery or pain or distress) "it was a sore trial to him"; "the painful process of growing up"
S: (adj) huffy, mad, sore (roused to anger) "stayed huffy a good while"- Mark Twain; "she gets mad when you wake her up so early"; "mad at his friend"; "sore over a remark"