<p><strong>noun</strong></p><ul><li>a percentage of income given to a person in a position of power or influence as payment for having made the income possible; usually considered improper or unethical.</li><li>a rebate, usually given secretively by a seller to a buyer or to one who influenced the buyer.</li><li>the practice of an employer or a person in a supervisory position of taking back a portion of the wages due workers.</li><li>a response, usually vigorous.</li><li>a sudden, uncontrolled movement of a machine, tool, or other device, as on starting or in striking an obstruction: A kickback from a chain saw can be dangerous.</li></ul>