Source : Webster's Revised Unabridged Dictionary (1913)

Devious \De"vi*ous\, a. [L. devius; de + via way. See
   {Viaduct}.]
   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.

Source : WordNet®

devious
     adj 1: indirect in departing from the accepted or proper way;
            misleading; "used devious means to achieve success";
            "gave oblique answers to direct questions"; "oblique
            political maneuvers" [syn: {oblique}]
     2: characterized by insincerity or deceit; evasive; "a devious
        character"; "shifty eyes" [syn: {shifty}]
     3: deviating from a straight course; "a scenic but devious
        route"; "a long and circuitous journey by train and boat";
        "a roundabout route avoided rush-hour traffic" [syn: {circuitous},
         {roundabout}]