The definition of devious is someone or something that is not straightforward or deviates from the usual course of action. An example of someone who would be described as devious is a person who lies to get his way. Not straightforward; shifty.

What is a devious person?

adjective. If you describe someone as devious you do not like them because you think they are dishonest and like to keep things secret, often in a complicated way.

What is a devious girl?

adj. 1 not sincere or candid; deceitful; underhand. 2 (of a route or course of action) rambling; indirect; roundabout.