Synonyms to mean business

buckle down, be determined, be in earnest, be resolved, buckle to, cross the Rubicon, die fighting, die hard, endeavor, go all out, go for broke, hump, hump it, knuckle down, lay to, never say die, ply the oar, spare no effort, take the plunge, backward, balk, conservative, die game, die in harness, fogyish, hold out, nonprogressive, not back down, 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, tory, traditionalistic, ultraconservative, unprogressive, bell the cat, carry through, court danger, defy danger, do to perfectio