Chuck/tʃʌk/ Definition 1 of 5Pro Tip 1/3Informal Action Used in casual contexts, often spoken rather than written. Just chuck those magazines on the table. Pro Tip 2/3Lack of Care Implies a lack of concern or attention where placement is not precise. He chucked his keys somewhere in the room. Pro Tip 3/3Mildly Forceful Suggests a stronger, sometimes more playful action compared to gentle 'throw'. She chucked a pillow at me.