Complicate \Com"pli*cate\, v. t. [imp. & p. p. {Complicated}; p. pr. & vb. n. {Complicating}.] To fold or twist together; to combine intricately; to make complex; to combine or associate so as to make intricate or difficult. Nor can his complicated sinews fail. --Young. Avarice and luxury very often become one complicated principle of action. --Addison. When the disease is complicated with other diseases. --Arbuthnot.