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actual alcoholic ambitious austere backbreaking badly bang barest bare bitter bleakest bleaker bleak bony brassy brutal callous closely cold-hearted compact compassionless complicated concentrated contemptuous cruel crusty deep demanding disturbing dour down-to-earth dry effortful exacting exigent factual faster fast fastest fiercely firm firmly flinty forcibly formidable genuine grueling hardheaded hardhearted harshest harshest hard-nosed/hardheaded harsh harsh harsher harsher heartless heightened heavy heaviest Herculean impenetrable inalterable inarguable inclement incompressible incontestable indigestible inexorable inflexible inflexible intense intently insusceptible insensitive intensive intricate knotty laboriously knockabout labored loveless madly mean meaner merciless metallic mightily moistureless more compact more complicated more concentrated more brutal more demanding more hardnosed more hard nosed more hard-nosed more hardheaded more hardheaded more intensive more painful more positive more serious more stringent more rigid more rigorous more undisputable most hard nosed most hard-nosed most hardnosed most hardheaded most hardheaded most undisputable most serious nagging naturalistic nearby no-nonsense obdurate obstinate onerous operose oppressively ossified painful perturbing positive powerfully pragmatical pragmatic profound punishing puzzling rainless raw rawest realistic recondite refractory relentless remorseless resentful rigorous rigid rocky rocky rougher rougher rough rough roughest roughest rugged rugged ruthless scratchy serious severely severe severe sinewy slavish smarting squawky stale stern sticky stiff stiff stonyhearted stouter stout strictest stricter strenuous strict stringent strong taller tallest tall thick thorny thoroughly tiresome toilsome tough tough tough toughest toughest toughest tougher tougher tougher troublesome troublous true-life trying unassailable uncomfortable uncompassionate undisputable unfeeling unforgiving unmerciful unperfected unpitying unromantic unsettling unsparing unstirred unsympathetic unyielding uphill upsetting utilitarian