Definition of gigantic adjective from the Oxford Advanced American Dictionary

     

    gigantic

     adjective
    adjective
    NAmE//dʒaɪˈɡæntɪk//
     
     
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  1. 1extremely large synonym enormous, huge
  2. 2 a gigantic house The problem was beginning to take on gigantic proportions.
See the Oxford Advanced Learner's Dictionary entry: gigantic