What is the meaning of disregard?

noun

• Lack of attention and due care.
  • synonyms: neglect
• Willful lack of care and attention.
  • synonyms: neglect

verb

• Refuse to acknowledge.
  • usage: "She cut him dead at the meeting"
  • synonyms: ignore, snub, cut
• Bar from attention or consideration.
  • usage: "She dismissed his advances"
  • synonyms: dismiss, brush aside, brush off, discount, push aside, ignore
• Give little or no attention to.
  • usage: "Disregard the errors"
  • synonyms: neglect, ignore