mischiefMisbehaviour or trouble caused by someone, typically in a playful way.
Definitions:
Behaviour, especially a child's, that is slightly bad but is not intended to cause serious harm or damage."William was always up to some mischief with his friends."
scampA person, especially a child, who is mischievous in a likable or amusing way.
Definitions:
A child who behaves badly in a way that is both funny and not serious."The young boy was such a scamp, always leading his friends on some adventure."
adventureAn exciting or very unusual experience, often undertaken as a journey or quest.
Definitions:
An unusual, exciting, and possibly dangerous activity, such as a trip or experience, or the excitement produced by such an activity."William and his friends had an adventure that took them through the woods and beyond."
schemingGiven to or involved in making secret and underhanded plans.
Definitions:
Making secret plans, especially to do something ill-advised or bad."The scheming boys hatched another plan to avoid doing their chores."
disobedientNot following the rules, orders, or instructions.
Definitions:
Failing or refusing to obey."Despite his parents' warnings, William remained disobedient."