De·vi·ous a.
  1. Out of a straight line; winding; varying from directness; as, a devious path or way.
  2. Going out of the right or common course; going astray; erring; wandering; as, a devious step.
  Syn: -- Wandering; roving; rambling; vagrant.
  -- De*vi*ous*ly, adv. -- De*vi*ous*ness, n.
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  deviously
       adv : in a devious manner; "he got the promotion by behaving
             deviously"