What is the meaning of pain?

noun

• A symptom of some physical hurt or disorder.
  • usage: "the patient developed severe pain and distension"
  • synonyms: hurting
• Emotional distress; a fundamental feeling that people try to avoid.
  • usage: "the pain of loneliness"
  • synonyms: painfulness
• A somatic sensation of acute discomfort.
  • usage: "as the intensity increased the sensation changed from tickle to pain"
  • synonyms: pain sensation, painful sensation
• A bothersome annoying person.
  • usage: "that kid is a terrible pain"
  • synonyms: pain in the neck, nuisance
• Something or someone that causes trouble; a source of unhappiness.
  • usage: "washing dishes was a nuisance before we got a dish washer"; "a bit of a bother"; "he's not a friend, he's an infliction"
  • synonyms: annoyance, bother, botheration, infliction, pain in the neck, pain in the ass

verb

• Cause bodily suffering to and make sick or indisposed.
  • synonyms: trouble, ail
• Cause emotional anguish or make miserable.
  • usage: "It pains me to see my children not being taught well in school"
  • synonyms: anguish, hurt