What is the meaning of similar?

adjective

• Marked by correspondence or resemblance.
  • usage: "similar food at similar prices"; "problems similar to mine"; "they wore similar coats"
• Having the same or similar characteristics.
  • usage: "all politicians are alike"; "they looked utterly alike"; "friends are generally alike in background and taste"
  • synonyms: alike, like
• Resembling or similar; having the same or some of the same characteristics; often used in combination.
  • usage: "suits of like design"; "a limited circle of like minds"; "members of the cat family have like dispositions"; "as like as two peas in a pod"; "doglike devotion"; "a dreamlike quality"
  • synonyms: like
• Of words. ( expressing closely related meanings)
• Capable of replacing or changing places with something else; permitting mutual substitution without loss of function or suitability.
  • usage: "interchangeable electric outlets" "interchangeable parts"
  • synonyms: exchangeable, interchangeable, standardized, standardised