Webster's Revised Unabridged Dictionary · 1913

Devious

Devious , adjective

[Latin 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.