be at cross-purposes, be proof against, bear, bear up, bear up against, buck, challenge, combat, complain, complain loudly, confront, contend with, contest, counter, counteract, countervail, counterwork, cross, defy, dispute, dissent, duel, endure, face down, face out, face up to, fight, front, go against, hold out, hold up, join the opposition, kick against, make a stand, meet head-on, not abide, object, offer resistance, oppose, play at cross-purposes, protest, rebuff, recalcitrate, reluct, remonstrate, repel, repulse, resist, revolt, run against, run counter to, show fight, stand, stand at bay, stand up, stand up against, stand up to, strive against, suffer, take issue with, tolerate, traverse, vote against