THESAURUS
inactivate
bugger, cripple, de-energize, debilitate, disable, disenable, drain, enfeeble, hamstring, hors de combat, incapacitate, kibosh, lame, maim, put, queer, queer the works, sabotage, spike, unfit, weaken, wing, wreck
ROGET THESAURUS
inactivate
Unproductiveness
VB
be unproductive, hang fire, flash in the pan, come to nothing, sterilize, addle, disable,
inactivate.