Definition of spiky adjective from the Oxford Advanced American Dictionary

     

    spiky

     adjective
    adjective
    NAmE//ˈspaɪki//
     
     
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  1. 1having sharp points spiky plants, such as cacti
  2. 2(of hair) sticking straight up from the head
 
noun [uncountable]
See the Oxford Advanced Learner's Dictionary entry: spiky