Đồng nghĩa của heavy sledding

rugged hard tough difficult arduous demanding exacting strenuous rough challenging gruelling laborious heavy rigorous formidable grueling testing toilsome taxing harsh onerous trying uphill backbreaking murderous herculean fierce moiling hellacious tall effortful killer austere sweaty Augean operose hairy spartan murder mean knotty pick-and-shovel no picnic large order severe stiff exhausting punishing burdensome tiring back-breaking fatiguing wearisome killing stressful oppressive brutal knackering Herculean excruciating grievous wearing exigent wearying troublesome grim crushing weighty hellish tedious grinding labored laboured irksome draining stringent bothersome sapping harrowing cruel painful torturous vigorous persnickety toilful sticky tricky ambitious energy-consuming enervating bruising ponderous relentless tortuous daunting agonizing tiresome thorny unpleasant unbearable uncomfortable agonising traumatic worrying frustrating pressured fraught vexing vexatious exasperating bitter hardhanded inhuman searing colossal unremitting debilitating painstaking extreme forbidding galling intolerable unsparing nerve-racking tough going tense awkward anxious agitating hectic mighty intense boring steep problematic impossible wicked unforgiving serious cumbersome crippling merciless imperious staggering upstream intimidating gargantuan distressing unyielding jarring solemn distressful worksome slavish difficile shattering backbreaker prohibitive titanic depleting discomforting anxiety-ridden really hard very hard prodigious stretching searching unreasonable Sisyphean upsetting overwhelming exorbitant excessive energetic monumental dour aggravating unrelaxing bad withering mammoth immoderate unfair dogged worrisome strained unrelenting hefty slow drastic pestilent tight inconvenient wretched protracted lengthy hardworking hypercritical thorough precise critical careful nit-picking despotic domineering unjust exerting a stinker of a a nuisance very difficult by the book an imposition racking chastening carking disturbing superincumbent dicey awful hazardous easier said than done high-impact torturesome unendurable hard-won drudgy immense vicious marathon troubling unnerving high-pressure problem ominous insufferable tormenting not easy like getting blood out of a stone ferocious almighty gigantic savage scabrous uphill battle delicate embarrassing ticklish nasty pressing sensitive prickly tricksy problematical dodgy spiny touchy catchy touch-and-go time-consuming barro enervative dangerous strict weary contrived artificial leaden bloodthirsty forced homicidal bloody disagreeable sanguinary tortured concerning fell dire bleak sanguineous prostrating perilous precarious bloody-minded devastating destructive deadly lethal powerful cutthroat destroying ruinous criminal aggressive slaughterous forceful industrious grave active drudging impressive busy sanguine murdering terrible spirited wild major rowdy chancy iffy dark intensive unfriendly dubious hostile suspect questionable ugly huge physical massive thoroughgoing punitive inexorable overburdening heart-pumping fiendishly difficult tremendously difficult very challenging heroic courageous clumsy ruthless diligent responsible timewasting inefficient long affected overdone studied pitiless no piece of cake embittering overtaxing overpowering plodding headache inept overwrought unnatural maladroit controversial annoying chronophagous butcherous irritating considerable disastrous significant life-threatening acute ghastly foul horrible rotten dreadful horrid vile bold consequential perturbing nagging daring grandiose appalling atrocious frightful horrendous abominable niggling maddening infuriating sobering big threatening peracute menacing plaguy pestiferous pestilential harassing grand elaborate extravagant intrepid frantic chaotic grotty unsettling pesky disquieting discomposing troublous pretentious visionary lofty eventful frenzied frenetic lively importunate magnificent lousy beastly intractable undisciplined infestive ungovernable alarming damaging repressive messy disorderly large-scale from hell turbulent restless flustering animated madhouse tireless full tumultuous riotous furious bustling full on unruly action-packed bumpy raucous a bummer of a vehement mettlesome resolute potent determined forcible fervent eager zealous enthusiastic ardent keen fiery resounding violent full-blooded muscular assertive passionate blunt hard-hitting uncontrolled dynamic unbridled emphatic unrestrained all-out punchy in-your-face brisk pulling no punches

heavy smoker heavy snow heavy spar heavy stuff heavy tail heavy-tailed heavy sigh heavy shower heavyset heavy sea heavys heavy rock