1. an impertinent or conceited person
Usage: archaic; somewhat formal
2. a mischievous child
Usage: archaic; mild reproach

Examples

• The young jackanapes interrupted the meeting with his bold remarks.
• She called her nephew a little jackanapes after he played a prank on his teacher.
• The nobleman dismissed the merchant as a mere jackanapes who had forgotten his place.
• That jackanapes thinks he knows better than everyone else.
• The children were acting like jackanapes during the formal dinner.
• He was branded a jackanapes for his presumptuous behavior at court.