Definition of plastic adjective from the Oxford Advanced Learner's Dictionary

      

    plastic

     adjective
    adjective
    BrE BrE//ˈplæstɪk//
     
    ; NAmE NAmE//ˈplæstɪk//
     
    Materials and properties
     
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  1. 1  made of plastic a plastic bag/cup/toy See related entries: Materials and properties
  2. 2(of a material or substance) easily formed into different shapes synonym malleable Clay is a plastic substance.
  3. 3(disapproving) that seems artificial; false; not real or sincere synonym false TV game show hosts with their banal remarks and plastic smiles The flight attendants served up plastic food with little taste or texture.
  4. Word Origin mid 17th cent. (in the sense ‘characteristic of moulding’): from French plastique or Latin plasticus, from Greek plastikos, from plassein ‘to mould’.
See the Oxford Advanced American Dictionary entry: plastic