Thesaurus

arduous

adjective

Synonyms and Antonyms of arduous

  1. 1 requiring considerable physical or mental effort climbing Mount Everest is an arduous, exhausting challenge Synonyms of arduous hard, Augean, backbreaking, challenging, demanding, difficult, effortful, exacting, formidable, grueling (or gruelling), heavy, hellacious, herculean, killer, laborious, moiling, murderous, pick-and-shovel, rigorous, rough, rugged, severe, stiff, strenuous, sweaty, tall, testing, toilsome, tough, uphillWords Related to arduous abstract, abstruse, complex, complicated, elusive, hairy, insoluble, intricate, involved, knotty, opaque, problematic (also problematical), recondite, serious, spiny, stubborn, thorny, ticklish, tricky; bruising, burdensome, exhausting, labored, onerous, oppressive, stressful, taxing, tight, trying; annoying, bothersome, distressing, irksome, troublesome, vexatious; grievous, grim, strict, stringent; brutal, cruel, inhuman, painfulNear Antonyms of arduous achievable, clear, doable, elementary, manageable, uncomplicated; comforting, gentle, painless, relaxed, smooth, soothing; accessible, friendly, idiotproof, user-friendlyAntonyms of arduous cheap, easy, effortless, facile, light, mindless, simple, soft, undemanding

  2. 2 requiring much time, effort, or careful attention the arduous task of doing the research for my term paper Synonyms of arduous demanding, burdensome, challenging, exacting, grueling (or gruelling), killing, laborious, onerous, persnickety, taxing, toilsomeWords Related to arduous difficult, formidable, hard, herculean, rough, rugged, stiff, strenuous, testing, tough; oppressive, trying; rigid, rigorous, severe, stern, strict, stringentNear Antonyms of arduous easy, effortless, facile, simple, smoothAntonyms of arduous light, nondemanding, unchallenging, undemanding

Synonym Discussion of arduous

hard, difficult, arduous mean demanding great exertion or effort. hard implies the opposite of all that is easy.
    • farming is hard work
difficult implies the presence of obstacles to be surmounted or puzzles to be resolved and suggests the need of skill or courage.
    • the difficult ascent of the mountain
arduous stresses the need of laborious and persevering exertion.
    • the arduous task of rebuilding

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of very fine texture or delicate form

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