Thesaurus
rigorous
Synonyms and Antonyms of rigorous
- a rigorous football coach who pushes his players to their physical and mental limits
adamant, adamantine, callous, hardened, hard-hearted, hard-line, immovable, implacable, inflexible, merciless, ossified, pitiless, relentless, rock-ribbed, stiff, unbending, uncompromising, unrelenting, unsparing, unyielding
ascetic (also ascetical), monastic, monkish
determined, firm, resolved, single-minded, steadfast, unflinching
- a rigorous analysis of the data
- a rigorous diet and exercise regimen
close, conscientious, exact, fussy, meticulous, painstaking, punctilious, scrupulous, undeviating
adamant, adamantine, determined, dogged, firm, relentless, resolved, single-minded, steadfast, stubborn, tenacious, unbending, unflinching
immovable, implacable, unappeasable, unrelenting, unsparing, unyielding
austere, demanding, flinty, grim, hard, hardened, hard-hearted, harsh, ironbound, severe, stern, tough
- studied for umpteen months for the rigorous exam
arduous, Augean, backbreaking, challenging, demanding, difficult, effortful, exacting, formidable, grueling (or gruelling), hard, heavy, hellacious, herculean, killer, laborious, moiling, murderous, pick-and-shovel, rough, rugged, severe, stiff, strenuous, sweaty, tall, testing, toilsome, tough, uphill
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
cheap, easy, effortless, facile, light, mindless, simple, soft, undemanding
Synonym Discussion of rigorous
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- rigid rules of conduct
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- the rigorous training of recruits
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- strict enforcement of the law
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- stringent standards of admission
Learn More about rigorous
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Dictionary: Definition of rigorous Spanish Central: Translation of rigorous Nglish: Translation of rigorous for Spanish speakers Britannica English: Translation of rigorous for Arabic speakers
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