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Synonym Chooser

How is the word rigorous distinct from other similar adjectives?

Some common synonyms of rigorous are rigid, strict, and stringent. While all these words mean "extremely severe or stern," rigorous implies the imposition of hardship and difficulty.

the rigorous training of recruits

When can rigid be used instead of rigorous?

While in some cases nearly identical to rigorous, rigid implies uncompromising inflexibility.

rigid rules of conduct

When would strict be a good substitute for rigorous?

Although the words strict and rigorous have much in common, strict emphasizes undeviating conformity to rules, standards, or requirements.

strict enforcement of the law

When might stringent be a better fit than rigorous?

The synonyms stringent and rigorous are sometimes interchangeable, but stringent suggests severe, tight restriction or limitation.

stringent standards of admission

Examples Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of rigorous Every credit card review is based on rigorous reporting by our team of expert writers and editors with extensive knowledge of credit card products. Jason Stauffer, CNBC, 7 Jan. 2025 Finding the best ways to achieve this balance will require a rigorous debate within civil society and an understanding by the public of the technology’s potential gains and harms. Charina Chou, Foreign Affairs, 7 Jan. 2025 Built for durability, the Pro Plus models undergo rigorous MIL-STD H testing and feature Intel Core Ultra processors Series 2, which include dedicated CPU, graphics, and NPU hardware for improved performance and power efficiency. Brian Westover, PCMAG, 6 Jan. 2025 Every credit card article is based on rigorous reporting by our team of expert writers and editors with extensive knowledge of credit card products. Jason Stauffer, CNBC, 31 Dec. 2024 See all Example Sentences for rigorous 
Recent Examples of Synonyms for rigorous
Adjective
  • Certified billing software must meet strict criteria to ensure data integrity and support potential real-time reporting.
    Aleksandra Bal, Forbes, 12 Jan. 2025
  • In fact, there's a strict set of rules the cast must follow.
    Rebecca Aizin, People.com, 11 Jan. 2025
Adjective
  • Still, Republicans have said that even if that call was accurate, the C.I.A. failed in understanding other key events: how quickly the Afghan government could collapse, how Bashar al-Assad would flee Syria and how Hamas was preparing to attack Israel.
    Julian E. Barnes, New York Times, 18 Jan. 2025
  • While some might have considered the project too niche, Kyle’s intuition about the product’s appeal seems to have been accurate, with even the X Games getting a taste of the product earlier this year.
    Alexander Puutio, Forbes, 18 Jan. 2025
Adjective
  • According to the Chicago Department of Public Health, both meet the technical requirements of the city’s Large Recycling Facility Rules (LRF), which were adopted in 2020 and are among the nation’s most stringent regulations for the protection of public health and the environment.
    Steve Joseph, Chicago Tribune, 10 Jan. 2025
  • Even more stringent policies, such as a law in Chile that requires food companies to include warnings on unhealthy products, have had only a modest effect on improving a country’s health.
    Nicholas Florko, The Atlantic, 9 Jan. 2025
Adjective
  • Simplifying Complexity Through Narratives Leaders often need to communicate complex strategies or concepts, which can be difficult for teams to fully grasp.
    Paola Cecchi-Dimeglio, Forbes, 18 Jan. 2025
  • The emotional weight of losing that independence is difficult to quantify, but its impact is profound.
    John Hope Bryant, TIME, 18 Jan. 2025
Adjective
  • Seriously, these things are built tougher than SEC linebackers but have the looks of fine sculpture.
    Clint Davis, Southern Living, 10 Jan. 2025
  • Households are currently seeing significant reductions in their monthly electricity usage, resulting in cost savings—a big relief, especially in tough economic times.
    Chris Gallagher, USA TODAY, 10 Jan. 2025
Adjective
  • The precise cash amount of this week’s arrangement has not been made public.
    Martin Rogers, The Athletic, 17 Jan. 2025
  • The manufacturing process of the DMA range begins with taking precise silicone ear impressions of the customer’s ears.
    Mark Sparrow, Forbes, 17 Jan. 2025
Adjective
  • Today’s average difficulty is 5.2 guesses out of 6, or very challenging.
    New York Times Games, New York Times, 10 Jan. 2025
  • More snow was falling and with many roads already not cleared, driving was going to be that much more challenging.
    Pete Grathoff, Kansas City Star, 10 Jan. 2025
Adjective
  • Advocates and relatives describe harsh conditions in immigration detention.
    Dake Kang and Huizhong Wu, Los Angeles Times, 11 Jan. 2025
  • Soviet scientists at the time believed that strays, given that they were already accustomed to harsh conditions, would be better suited to the extreme environments of space.
    Scott Travers, Forbes, 11 Jan. 2025

Thesaurus Entries Near rigorous

Cite this Entry

“Rigorous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/rigorous. Accessed 22 Jan. 2025.

More from Merriam-Webster on rigorous

Last Updated: - Updated example sentences
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