What is another word for rigorous?

Need synonyms for rigorous? Here's a list of words from our thesaurus that you can use instead.

Adjective
Extremely thorough and careful
“His is among the most rigorous analyses we've seen of the subject.”
Adjective
Given to exacting standards of discipline and self-restraint
“While no one doubts the need for more rigorous border controls now, there are critics who say the federal government is doing a poor job of distinguishing between potential terrorists and legitimate travelers.”
Adjective
Harsh and demanding
“University is difficult enough with rigorous course work, steep fees and social demands, but try to imagine attending while severely disabled.”
Adjective
Meeting the highest standard of accuracy
“… a rigorous analysis of the data.”
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