Rigorous synonyms

rĭg'ər-əs
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Not harsh or severe in disciplining, punishing, judging, etc.; mild; merciful; clement
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Having a severe or stern look, manner, etc.; forbidding
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(Sciences) Of experimental results, consistent, clustered close together, agreeing with each other. This does not mean that they cluster near the true, correct, or accurate value.
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Characterized by very precise, conscientious attention to details.
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Stating opinion in an assertive or arrogant manner
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Acting or performing with care and precision; meticulous:
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Of or characteristic of ascetics or asceticism; self-denying; austere
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The definition of burdensome is something that is hard to deal with, or that places too great of expectations.
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Requiring the full application of one's abilities, attention, or resources:
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Conforming to standards; proper:
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Precisely agreeing with a standard, a fact, or the truth; perfectly conforming; neither exceeding nor falling short in any respect.
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Difficult to endure; causing hardship or suffering:
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The definition of harsh is someone or something unpleasant to the senses or feelings, or someone who is crude or extremely cruel.
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Lacking mercy or leniency; harsh
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Troublesome or oppressive; burdensome.
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Difficult to cope with; causing hardship or depressed spirits:
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Unyielding in severity or strictness; unrelenting:
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Stiff, rather than flexible.
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Demanding great effort, ability, or endurance:
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The definition of severe is someone or something that is very serious, harsh or critical.
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The definition of stern is someone who is very serious or strict.
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Containing much alcohol
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Severe in discipline.
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Constricted; tight:
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The definition of trying is defined as an irritating person or thing.
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Not willing to change or be persuaded; resolute:
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Slack; of a loose texture; not rigid or tight
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Hasty, careless, impetuous, etc.
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Free from worry, anxiety, trouble, or pain:
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Alternative spelling of easygoing.
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Having a soft, pleasant taste or flavor; not strong, sour, bitter, biting, or sharp
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Not compact or dense in arrangement or structure.
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The definition of arduous is a way of describing something that is extremely tiring and difficult.
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Requiring great physical exertion
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Requiring much effort or attention:
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(Often of a person, or a horse, etc) Hard to manage, uncooperative, troublesome.
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Requiring or showing effort.
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Demanding great care, patience, effort, etc.; arduous
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Requiring more than is reasonable; demanding; exacting
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Difficult to undertake, surmount, or defeat:
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Hard to lift or move because of great weight; weighty
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Marked by or requiring long, hard work:
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Difficult to travel over or through:
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Burdensome; wearing:
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Difficult to endure; severe; harsh:
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Having considerable weight; heavy.
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Faithful to the original:
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The definition of faithful is someone who is loyal and reliable or someone with a strong religious belief.
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Complete in every particular:
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(Not comparable) Free from errors; accurate, correct.
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In or into a satisfactory state or condition:
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The definition of true is being loyal, something that is real, factually correct, accurate or provable.
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Honest; truthful:
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Corresponding with reality or facts
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Most commonly occurring
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The definition of careful is someone or something that works or thinks in a cautious, thorough or thoughtful way.
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(Obs.) Held in respect; honorable
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Relating to, being, or having value reckoned by actual purchasing power:
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Leaving little empty space through compression; compact:
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Clearly developed or firmly decided:
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Find another word for rigorous. In this page you can discover 62 synonyms, antonyms, idiomatic expressions, and related words for rigorous, like: lenient, austere, uncompromising, precise, meticulous, dogmatic, accurate, ascetic, brutal, burdensome and challenging.