Deaden

weaken reduce lessen dull soften suppress dim mute check impair quieten slow alleviate depress numb stun damp dampen tire exhaust destroy consume abate repress muffle blunt injure retard smother frustrate desensitize anesthetize stun paralyze incapacitate tone down quiet diminish unnerve cushion benumb devitalize dope put out of order put to sleep chloroform etherize freeze gas knock out KO lay out stupefy