Synonym of energy consuming

Adjective

Requiring significant physical exertion
heavy arduous hard physical laborious demanding difficult exacting backbreaking strenuous tough onerous back-breaking tiring fatiguing exhausting wearying grueling gruelling murderous killing hellish rigorous knackering wearisome harsh rough taxing toilsome trying burdensome challenging debilitating draining exigent laboured labored operose punishing sapping toilful depleting effortful herculean moiling painful severe shattering tiresome tough going uphill busy hectic formidable testing Herculean rugged excruciating torturous bruising brutal grinding wearing sweaty stressful stiff tedious ponderous vigorous tortuous tall hellacious agonizing troublesome unremitting killer bothersome unbearable crushing agonising unsparing painstaking daunting unforgiving serious extreme ambitious harrowing Augean oppressive forbidding cumbersome slavish fierce intimidating unyielding upstream thorny difficile hairy gargantuan really hard very hard pick-and-shovel irksome uncomfortable no picnic mighty intolerable galling grievous staggering colossal immense intense gigantic unpleasant weighty distressing grim jarring solemn distressful backbreaker titanic dour dogged energetic slow relentless stringent persnickety enervating boring wretched pressing exerting imperious tricky time-consuming unrelaxing wicked mean dicey prohibitive awful problem ominous hazardous insufferable easier said than done merciless nerve-racking high-impact sticky torturesome unendurable tormenting not easy hard-won drudgy worksome vicious marathon cruel like getting blood out of a stone troubling unnerving ferocious almighty impossible savage scabrous problematic uphill battle crippling high-pressure discomforting thoroughgoing immoderate hefty major disturbing worrying vexing worrisome inconvenient disagreeable awkward upsetting disquieting vexatious fraught agitating annoying aggravating irritating nasty enervative nagging bitter unsettling strict disruptive harassing disconcerting alarming sinister frightening traumatic foreboding inhuman threatening depressing discomposing frustrating pressured hardhanded searing tense exasperating perturbing troublous dismaying provoking discouraging discommoding embarrassing startling gloomy perplexing intrusive impeding consequential aggressive austere monumental terrible unreasonable anxious impressive weary violent intractable creepy murder rowdy pessimistic prophetic uncertain Sisyphean strained grave bold chaotic excessive unrelenting grandiose knotty daring horrible industrious fractious steep turbulent ghastly frightful horrendous unruly extravagant lofty bad undisciplined disorderly riotous wild critical hostile unmanageable restless superincumbent pestilent hypercritical drudging importunate dark uneasy confronting ugly flustering large-scale bumpy a stinker of a dangerous anxiety-ridden huge exorbitant massive rumbustious prodigious unfair stretching prostrating withering searching powerful responsible punitive inexorable heart-pumping forceful heroic courageous overwhelming overburdening drastic protracted lengthy hardworking spartan mammoth a nuisance despotic domineering displeasing unjust nail-biting nervous nerve-wracking embittering overtaxing overpowering plodding headache an imposition careful thorough precise nit-picking large order heavy sledding very difficult racking chastening hurtful shocking disappointing carking no piece of cake diligent niggling maddening infuriating by the book plaguy pestiferous concerning pestilential complex complicated profound confused concentrated intensive abstruse stormy te recondite tortured clumsy contrived artificial leaden unfavorable unfavourable pesky inhospitable adverse disadvantageous horrifying bleak foul rotten dreadful horrid vile tight charged infestive ungovernable damaging repressive messy fearsome menacing dismal affected overdone forced studied appalling atrocious abominable audacious terrifying unwelcoming negative stark tickly discomfiting unsettled grand elaborate intrepid heightened untoward prickly dolorous unrealistic grotty pretentious visionary inept overwrought unnatural maladroit itchy incommodious distressed afflictive scratchy magnificent frantic improbable ballsy brash idealistic unfeasible lousy beastly causing discomfort ill-fitting fanciful unreal active eventful frenzied frenetic lively hair-raising unlikely from hell troubled boisterous troublemaking far-fetched animated madhouse tireless full tumultuous furious bustling belligerent contumacious lawbreaking thuggish pugnacious unrestrained full of problems beset by problems difficult to achieve a bummer of a full on spirited action-packed raucous two-fisted anarchic lawless radge uncompromising perfectionist clamorous judgmental obstinate disapproving judgemental fussy dictatorial overbearing inflexible overexacting unamenable unaccommodating querulous insistent cavilling unbending hardheaded quibbling disparaging obdurate needy possessive hairsplitting caviling firm sticklerish faultfinding overscrupulous censuring cavillous stubborn unflinching demeaning cynical tyrannical carping censorious high-maintenance over-rigorous hard-line over-strict hard to please over-exacting fault-finding hard to satisfy over-censorious over-particular

Antonym of energy consuming

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