neutralize [neutralized, neutralizing, neutralizes](to make even, inactive or ineffective) verb [UK: ˈnjuː.trə.laɪz] [US: ˈnuː.trə.ˌlaɪz]We can't continue advancing unless someone neutralizes the machine gun on that hill. = No podremos seguir avanzando a menos que alguien neutralice antes la ametralladora que hay en aquel promontorio.