Counter mobilize means to organize and prepare to oppose an existing mobilization. Some synonyms for countermobilize are counteract, foil, thwart, frustrate, resist, oppose, and prevent. Counteracting involves acting against something in order to lessen its effect. Foiling means preventing someone from achieving something they desire. Thwarting involves stopping someone from achieving their goal by frustrating or hindering their efforts. Resisting means opposing something by exerting force to counteract the existing effort. Opposing is to go against something or someone. Preventing is to stop something from happening. These synonyms provide a variety of ways to describe a response to a mobilization effort and can be used in different contexts depending on the situation.