similar in WordNet English dictionary

1. having the same or similar characteristics
   "all politicians are alike"; "they looked utterly alike"; "friends are generally alike in background and taste"
   alike  similar  like 
   
2. capable of replacing or changing places with something else; permitting mutual substitution without loss of function or suitability
   "interchangeable electric outlets" "interchangeable parts"
   exchangeable  interchangeable  similar  standardized  standardised 
   
3. resembling or similar; having the same or some of the same characteristics; often used in combination
   "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"
   like  similar 
   
4. marked by correspondence or resemblance
   "similar food at similar prices"; "problems similar to mine"; "they wore similar coats"
   similar 
   
5. (of words) expressing closely related meanings
   similar