What is the meaning of painful?

adjective

• Causing physical or psychological pain.
  • usage: "worked with painful slowness"
• Causing misery or pain or distress.
  • usage: "it was a sore trial to him"; "the painful process of growing up"
  • synonyms: afflictive, sore
• Exceptionally bad or displeasing.
  • usage: "atrocious taste"; "abominable workmanship"; "an awful voice"; "dreadful manners"; "a painful performance"; "terrible handwriting"; "an unspeakable odor came sweeping into the room"
  • synonyms: atrocious, abominable, awful, dreadful, terrible, unspeakable
• Causing physical discomfort.
  • usage: "bites of black flies are more than irritating; they can be very painful"
  • synonyms: irritating