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