Impudently bold or disrespectful in a playful or appealing way. The cheeky child gave a mischievous grin after hiding his sister's shoes.
Showing a lack of respect or politeness in a way that is amusing or endearing. Her cheeky comment about the boss's new haircut made everyone in the office laugh.
Informal, chiefly UK. Performed quickly or spontaneously as a small, slightly improper indulgence; impromptu and enjoyable. We stopped for a cheeky pint on the way home.
Of clothing, especially swimwear: cut so as to reveal part of the buttocks. She bought a pair of cheeky bikini bottoms for her vacation.