Negatives meaning : Refusal or withholding of assents; prohibition, veto A right of veto. An image in which dark areas represent light ones, and the converse. (grammar) A word that indicates negation. A negative quantity. : A rep performed with weight in which the muscle begins at maximum contraction and is slowly extended; a movement performed using only the eccentric phase of muscle movement. The negative plate of a voltaic or electrolytic cell. To refuse; to veto. To contradict. To disprove. To make ineffective; to neutralize.