|a.||1.||Full of pain; causing uneasiness or distress, either physical or mental; afflictive; disquieting; distressing.|
|2.||Requiring labor or toil; difficult; executed with laborious effort; |
|3.||Painstaking; careful; industrious.|
|Adj.||1.||painful - causing physical or psychological pain; "worked with painful slowness"|
painless - not causing physical or psychological pain; "painless dentistry"
|2.||painful - causing misery or pain or distress; "it was a sore trial to him"; "the painful process of growing up"|
|3.||painful - exceptionally bad or displeasing; "atrocious taste"; "abominable workmanship"; "an awful voice"; "dreadful manners"; "a painful performance"; "terrible handwriting"; "an unspeakable odor came sweeping into the room"|
|4.||painful - causing physical discomfort; "bites of black flies are more than irritating; they can be very painful"|