Synonyms and related words:
Herculean, abstruse, ardent, arduous, assiduous, backbreaking, brutal, burdensome, careful, complex, critical, crushing, delicate, demanding, detailed, determined, difficile, difficult, diligent, dogged, effortful, energetic, exacting, exhausting, exhaustive, fatiguing, fervent, forced, formidable, grueling, hairy, hard, hard-earned, hard-fought, hard-working, hardworking, heavy, hefty, indefatigable, industrious, intricate, jawbreaking, killing, knotted, knotty, labored, mean, never idle, no picnic, not easy, obdurate, obstinate, onerous, operose, oppressive, overworked, painful, painstaking, persevering, persistent, ponderous, punishing, relentless, rigorous, rough, rugged, scrupulous, sedulous, set with thorns, severe, sleepless, spiny, steadfast, steady, steep, stiff, strained, strenuous, stubborn, taxing, thorny, thorough, ticklish, tireless, tiring, toilsome, tough, tricky, troublesome, unflagging, unrelenting, unremitting, unsleeping, unsparing, untiring, unwavering, unwearied, uphill, vehement, wearisome, wearying, wicked, zealous

Moby Thesaurus. . 1996.

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Look at other dictionaries:

  • Laborious — La*bo ri*ous, a. [L. laboriosus, fr. labor labor: cf. F. laborieux.] 1. Requiring labor, perseverance, or sacrifices; toilsome; tiresome. [1913 Webster] Dost thou love watchings, abstinence, or toil, Laborious virtues all? Learn these from Cato.… …   The Collaborative International Dictionary of English

  • laborious — [adj1] hard, difficult arduous, backbreaking, burdensome, effortful, fatiguing, forced, heavy, herculean*, labored, onerous, operose, ponderous, rough go*, stiff, strained, strenuous, tiresome, toilsome, tough, tough job*, wearing, wearisome,… …   New thesaurus

  • laborious — index difficult, faithful (diligent), industrious, onerous, operose, oppressive, painful, painstaking …   Law dictionary

  • laborious — (adj.) late 14c., hard working, industrious, from O.Fr. laborios arduous, wearisome; hard working (12c., Mod.Fr. laborieux), from L. laboriosus toilsome, wearisome, troublesome, from labor (see LABOR (Cf. labor) (n.)). Meaning costing much labor …   Etymology dictionary

  • laborious — ► ADJECTIVE 1) requiring considerable time and effort. 2) showing obvious signs of effort. DERIVATIVES laboriously adverb …   English terms dictionary

  • laborious — [lə bôr′ē əs] adj. [ME < OFr laborios < L laboriosus < labor, LABOR] 1. involving or calling for much hard work; difficult 2. industrious; hardworking 3. LABORED SYN. HARD laboriously adv. laboriousness n …   English World dictionary

  • laborious — laboriously, adv. laboriousness, n. /leuh bawr ee euhs, bohr /, adj. 1. requiring much work, exertion, or perseverance: a laborious undertaking. 2. characterized by or requiring extreme care and much attention to detail: laborious research. 3.… …   Universalium

  • laborious — la|bo|ri|ous [ lə bɔriəs ] adjective 1. ) a laborious job or process is long, difficult, and often boring: We eventually began the laborious task of sorting through his papers. 2. ) a laborious way of doing something is slow or boring and… …   Usage of the words and phrases in modern English

  • laborious — UK [ləˈbɔːrɪəs] / US [ləˈbɔrɪəs] adjective 1) a laborious job or process is long, difficult, and often boring We eventually began the laborious task of sorting through his papers. 2) a laborious way of doing something is slow or boring and… …   English dictionary

  • laborious — la|bo|ri|ous [ləˈbo:riəs] adj taking a lot of time and effort laborious process/task/business etc ▪ Collecting the raw materials proved a long and laborious task. ▪ the laborious business of drying the crops >laboriously adv ▪ A beetle began… …   Dictionary of contemporary English

  • laborious — adjective 1 laborious task/process/method etc a job or piece of work that is difficult and needs a lot of effort: the laborious task of collating all the evidence 2 seeming to be done slowly and with difficulty: laborious progress through the… …   Longman dictionary of contemporary English

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