What is the meaning of neglected?

verb

• Leave undone or leave out.
  • usage: "How could I miss that typo"; "The workers on the conveyor belt miss one out of ten"
  • synonyms: neglect, pretermit, omit, drop, miss, leave out, overlook, overleap
• Fail to do something; leave something undone.
  • usage: "She failed to notice that her child was no longer in his crib"; "The secretary failed to call the customer and the company lost the account"
  • synonyms: fail, neglect
• Fail to attend to.
  • usage: "he neglects his children"
  • synonyms: neglect
• Give little or no attention to.
  • usage: "Disregard the errors"
  • synonyms: neglect, ignore, disregard

adjective

• Disregarded.
  • usage: "his cries were unheeded"; "Shaw's neglected one-act comedy, `A Village Wooing'"; "her ignored advice"
  • synonyms: ignored, unheeded
• Lacking a caretaker.
  • usage: "a neglected child"; "many casualties were lying unattended"
  • synonyms: unattended