Synonyms to not back down

die hard, backward, balk, be determined, be in earnest, be resolved, buckle down, buckle to, conservative, cross the Rubicon, die fighting, die game, die in harness, fogyish, go for broke, hold out, mean business, never say die, nonprogressive, not budge, not give up, not submit, old-fashioned, old-fogyish, old-line, opposed to change, orthodox, persevere, preservative, reactionary, reactionist, remain firm, right, right of center, right-wing, stand fast, stand out, stand pat, standpat, stay it out, stick, stick fast, stick it out, stickle, take no denial, take the plunge, tory, traditionalistic, ultraconservative, unprogressive, abide, be proof against, be unflappable, be unmoved, be unwilling, bear up, bear up against, beg off, bide, boycott, carry on, come up fighting, continue, continue to be, decline, decline to accept, defeat time, defy, defy time, dig in, disagree, disallow, disclaim, dissent, dwell, endure, exist, extend, get home free, give, go on, go on strike, go out, hang in, hang in there, hang on, hang tough, hold, hold fast, hold forth, hold on, h