What is the meaning of disdain?

noun

• Lack of respect accompanied by a feeling of intense dislike.
  • usage: "he was held in contempt"; "the despite in which outsiders were held is legendary"
  • synonyms: contempt, scorn, despite
• A communication that indicates lack of respect by patronizing the recipient.
  • synonyms: condescension, patronage

verb

• Look down on with disdain.
  • usage: "He despises the people he has to work for"; "The professor scorns the students who don't catch on immediately"
  • synonyms: contemn, despise, scorn
• Reject with contempt.
  • usage: "She spurned his advances"
  • synonyms: reject, spurn, freeze off, scorn, pooh-pooh, turn down