—v.t. 1. to draw upon (an account, allowance, etc.) in excess of the balance standing to one's credit or at one's disposal: It was the first time he had ever overdrawn his account. 2. to strain, as a bow, by drawing too far.
3. to exaggerate in drawing, depicting, portraying, or describing: The author has overdrawn the villain to the point of absurdity.
—v.i. 1. to overdraw an account or the like: It ruins one's credit to overdraw frequently at a bank. 2. (of a stove, fireplace, etc.) to draw excessively; have too strong an updraft: When the flue overdraws, all the heat goes right up the chimney.