What is the meaning of apart?

adjective

• Remote and separate physically or socially.
  • usage: "existed over the centuries as a world apart"; "preserved because they inhabited a place apart- W. H. Hudson; "tiny isolated villages remote from centers of civilization"; "an obscure village"
  • synonyms: isolated, obscure
• Having characteristics not shared by others. "scientists felt they were a group apart- Vannever Bush

adverb

• Separated or at a distance in place or position or time.
  • usage: "These towns are many miles apart"; "stood with his legs apart"; "born two years apart"
• Not taken into account or excluded from consideration.
  • usage: "these problems apart, the country is doing well"; "all joking aside, I think you're crazy"
  • synonyms: aside
• Away from another or others.
  • usage: "they grew apart over the years"; "kept apart from the group out of shyness"; "decided to live apart"
• Placed or kept separate and distinct as for a purpose.
  • usage: "had a feeling of being set apart"; "quality sets it apart"; "a day set aside for relaxing"
  • synonyms: aside
• One from the other.
  • usage: "people can't tell the twins apart"
• Into parts or pieces.
  • usage: "he took his father's watch apart"; "split apart"; "torn asunder"
  • synonyms: asunder