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