laborious - Wordage.info - Free Thesaurus Tool for Word Discovery - Expanded Thesaurus, Reverse Dictionary Lookup

exhausting collapse: producing exhaustion; "an exhausting march"; "the visit was especially wearing"

strenuous collapse: characterized by or performed with much energy or force; "strenuous exercise"

slavish collapse: abjectly submissive; characteristic of a slave or servant; "slavish devotion to her job ruled her life"; "a slavish yes-man to the party bosses"- S.H.Adams; "she has become submissive and subservient"; blindly imitative; "a slavish copy of the original"

crushing collapse: physically or spiritually devastating; often used in combination; "a crushing blow"; "a crushing rejection"; "bone-crushing"

punishing collapse: resulting in punishment; "the king imposed a punishing tax"

burdensome collapse: not easily borne; wearing; "the burdensome task of preparing the income tax return"; "my duties weren't onerous; I only had to greet the guests"; "a taxing schedule"

arduous collapse: difficult to accomplish; demanding considerable mental effort and skill; "the arduous work of preparing a dictionary"; characterized by toilsome effort to the point of exhaustion; especially physical effort; "worked their arduous way up the mining valley"; "a grueling campaign"; "hard labor"; "heavy work"; "heavy going"; "spent many laborious hours on the project"; "set a punishing pace"; taxing to the utmost; testing powers of endurance; "his final, straining burst of speed"; "a strenuous task"; "your willingness after these six arduous days to remain here"- F.D.Roosevelt

thorny collapse: bristling with perplexities; "the thorny question of states' rights"

methodical collapse: characterized by method and orderliness; "a methodical scholar"

indefatigable collapse: showing sustained enthusiastic action with unflagging vitality; "an indefatigable advocate of equal rights"; "a tireless worker"; "unflagging pursuit of excellence"

Herculean collapse: extremely difficult; requiring the strength of a Hercules; "a herculean task"; displaying superhuman strength or power; "herculean exertions"

abstruse collapse: difficult to penetrate; incomprehensible to one of ordinary understanding or knowledge; "the professor's lectures were so abstruse that students tended to avoid them"; "a deep metaphysical theory"; "some recondite problem in historiography"

forced collapse: made necessary by an unexpected situation or emergency; "a forced landing"; forced or compelled; "promised to abolish forced labor"; produced by or subjected to forcing; "forced-air heating"; "furnaces of the forced-convection type"; "forced convection in plasma generators"

demanding collapse: requiring more than usually expected or thought due; especially great patience and effort and skill; "found the job very demanding"; "a baby can be so demanding"

energetic collapse: possessing or exerting or displaying energy; "an energetic fund raiser for the college"; "an energetic group of hikers"; "it caused an energetic chemical reaction"; working hard to promote an enterprise

fervent collapse: extremely hot; "the fervent heat...merely communicated a genial warmth to their half-torpid systems"- Nathaniel Hawthorne; "set out...when the fervid heat subsides"- Frances Trollope

strained collapse: under great stress; "her voice was strained as she asked the question"

assiduous collapse: marked by care and persistent effort; "her assiduous attempts to learn French"; "assiduous research"; "sedulous pursuit of legal and moral principles"

troublesome collapse: difficult to deal with; "a troublesome infection"; "a troublesome situation"

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