Devious (adjective)

1. Acting in a deceitful or dishonest way.
2. Intentionally trying to deceive or mislead others.

Origin:

From old english dēofol ("devil, evil"), from proto-germanic *dēubulaz ("deceitful"), from proto-indo-european *dʰewb- ("to deceive").

Examples:

1. He was known for his devious business practices.
2. She was always devious in her attempts to get what she wanted.
3. The politician's devious behavior led to his downfall.
4. The criminal was known for his devious ways and managed to evade the police for many years.
5. The employee was fired for devious behavior, including lying and cheating.