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more rigorous

ADJECTIVE

severe; exact

Synonyms

STRONGEST

accurate brutal burdensome correct exacting harsh meticulous onerous precise proper rigid scrupulous strict stringent uncompromising

WEAK

ascetic austere bitter definite dogmatic hard inclement inflexible intemperate ironhanded nice oppressive punctilious right rugged stern stiff unpermissive

Antonyms

STRONGEST

careless easy false flexible gentle imprecise improper inaccurate incorrect inexact kind lenient negligent questionable soft tolerant unsuitable wrong yielding

WEAK

easy-going lax loose mild

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Since Thomas's death, his father has become an advocate for change, urging more rigorous legislation to confront online spaces that guide people toward harm.

From Barron's • May 29, 2026

We won’t know if the carnivore diet can help someone quickly lose visceral fat until more rigorous research becomes available.

From MarketWatch • May 19, 2026

In December, the U.S. expanded travel restrictions to include people from more than two dozen African nations, citing concerns about visa overstays and a need for more rigorous vetting.

From The Wall Street Journal • Mar. 25, 2026

The authors emphasize that although NAD+-based supplements and therapies are being widely investigated, stronger collaboration and more rigorous clinical testing are essential.

From Science Daily • Mar. 24, 2026

But to reach great success in the world, James knew he needed a more rigorous college education.

From "Ambushed!" by Gail Jarrow