NEUTRALIZE

verb (-ized; -izing) Date: 1759 transitive verb to make chemically neutral, 2. to counteract the activity or effect of ; make ineffective , kill , destroy , to make electrically inert by combining equal positive and negative quantities, to invest (as a territory or a nation) with conventional or obligatory neutrality conferring inviolability during a war, to make neutral by blending with the complementary color, to give (as a pair of phonemes) a nondistinctive form or pronunciation , intransitive verb to undergo neutralization, ~r noun