Synonyms for "hardheaded": despicable, efficient, contemptible, ascetic, vile, pigheaded, ignoble, monastic, base, pragmatic, mean, cloistered, low, adamant, vulgar, reclusive, crude, down-to-earth, coarse, secluded, rough, unreasonable, uncouth, isolated, boorish, matter-of-fact, clownish, lonely, ludicrous, obdurate, preposterous, solitary, absurd, unsentimental, ridiculous, single, farcical, practical, comical, abandoned, humorous, rational, funny, forlorn, amusing, unyielding, entertaining, helpless, pleasant, logical, agreeable, vulnerable, delightful, willful, satisfying, powerless, gratifying, sober, fulfilling, impotent, rewarding, recalcitrant, worthwhile, weak, valuable, judicious, precious, feeble, beloved, obstinate, revered, frail, esteemed, circumspect, exalted, infirm, elevated, intransigent, sublime, lame, transcendent, shrewd, divine, wounded, sacred, inflexible, holy, sick, blessed, canny, hallowed, ill, consecrated, tenacious, saved, unwell, liberated, astute, guarded, ailing, masked, realistic, concealed, diseased, hidden, discerning, veiled, infected, decorated, resolute, refined, contaminated, polished, sharp-witted, colored, tainted, brushed, mulish, scrubbed, rotten, homogenized, prudent, processed, putrid, built, unwavering, forged, foul, embroidered, vigilant, sustained, offensive, cultivated, determined, developed, repulsive, fortified, watchful, motivated, disgusting, inspired, firm, triggered, nauseating, led, careful, directed, sickening, organized, bullheaded, coordinated, horrible, achieved, thrifty, expanded, terrible, increased, steadfast, spread, awful, vanquished, frugal, subdued, dreadful, removed, sensible, repressed, atrocious, muted, economical, toned, abominable, tempered, purposeful, adjusted, execrable, balanced, austere, integrated, loathsome, unified, stiff-necked, consolidated, hateful, mixed, spartan, combined, stubborn.