Fraudulent (adjective)

Characterized by fraud or deception; involving or based on fraud or trickery.

Origin:

From the latin word "fraudulentus" meaning deceitful or dishonest.

Examples:

1. The company was found guilty of fraudulent practices.
2. He was accused of fraudulent activities.
3. The investment scheme was a fraudulent enterprise.
4. The check was discovered to be fraudulent and was not honored.
5. The insurance claim was denied because it was deemed fraudulent.