1. a mischievous person, especially a child who behaves badly but in a playful or harmless way
Usage: often used affectionately
2. a dishonest or unscrupulous person
Usage: somewhat old-fashioned

Examples

• That little rascal drew on the wall with crayons.
• You rascal! You ate all the cookies when I wasn't looking.
• The children were being rascals during story time.
• He's such a lovable rascal with his pranks and jokes.
• The old rascal cheated people out of their money.
• Don't trust that rascal with your valuables.