Synonyms and Antonyms of rigorous
1
given to exacting standards of discipline and self-restraint
- a rigorous football coach who pushes his players to their physical and mental limits
austere, authoritarian, flinty, hard, harsh, heavy-handed, ramrod, rigid, severe, stern, strict, tough
demanding, exacting
uncharitable, unforgiving
adamant, adamantine, callous, hardened, hard-hearted, hard-line, immovable, implacable, inflexible, merciless, ossified, pitiless, relentless, rock-ribbed, stiff, unbending, uncompromising, unrelenting, unsparing, unyielding
dour, gruff
ascetic (also ascetical), monastic, monkish
browbeating, bullying
determined, firm, resolved, single-minded, steadfast, unflinching
dogged, intractable, obstinate, relentless
easy, easygoing, laid-back, undemanding
charitable, kind, merciful, mild, patient, soft, softhearted
accepting, compromising, yielding
responsive, willing
acquiescent, agreeable, amenable, complaisant, compliant, flexible, pliable, pliant
2
meeting the highest standard of accuracy
- a rigorous analysis of the data
accurate, close, delicate, exact, fine, hairline, mathematical, pinpoint, precise, refined, spot-on
approximate, round
false, incorrect, untrue, wrong
careless, loose
indefinite, unclear, vague
doubtful, dubious, questionable, unreliable, untrustworthy
3
not allowing for any exceptions or loosening of standards
- 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
