Definition of tortuous adjective from the Oxford Advanced American Dictionary

     

    tortuous

     adjective
    adjective
    NAmE//ˈtɔrtʃuəs//
     
    [usually before noun](formal)
     
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  1. 1(usually disapproving) not simple and direct; long, complicated, and difficult to understand synonym convoluted tortuous language the long, tortuous process of negotiating peace
  2. 2(of a road, path, etc.) full of bends synonym winding a tortuous mountain track
 
adverb a tortuously slow system
See the Oxford Advanced Learner's Dictionary entry: tortuous