(v. t.) To deprive of life or vitality.

abate afflict attenuate blunt castrate cramp cripple damp dampen deaden debilitate demasculinize deprive derange desex desexualize disable disorder dry up dull effeminize emasculate enervate enfeeble etiolate eviscerate exhaust extenuate gruel hospitalize incapacitate indispose invalid lay low lay up mitigate rattle reduce sap shake shake up sicken soften up sterilize unbrace undermine unman unnerve unstrengthen unstring weaken