knavish (adjective)

1. In the knavish world of magic and sorcery, the elusive thief used cunning tactics to steal the enchanted tiara.

2. The mischievous young boy played a knavish prank on his sister, leaving a fake snake in her bed.

3. The charming and knavish gentleman won the heart of the beautiful heiress with his smooth words and deceitful actions.

4. In Greek mythology, the knavish god Hermes was known as the protector of thieves and the patron of dishonest acts.