Synonym Chooser

How does the noun certainty differ from other similar words?

The words certitude and conviction are common synonyms of certainty. While all three words mean "a state of being free from doubt," certainty and certitude are very close; certainty may stress the existence of objective proof.

claims that cannot be confirmed with scientific certainty

When might certitude be a better fit than certainty?

The synonyms certitude and certainty are sometimes interchangeable, but certitude may emphasize a faith in something not needing or not capable of proof.

believes with certitude in an afterlife

When is conviction a more appropriate choice than certainty?

In some situations, the words conviction and certainty are roughly equivalent. However, conviction applies especially to belief strongly held by an individual.

holds firm convictions on every issue

Example 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 certainty Markets are pricing in a near certainty that the committee will lower its benchmark overnight borrowing rate by a quarter percentage point, which would follow a similar cut in September. Jeff Cox, CNBC, 27 Oct. 2025 Given the lack of tariff certainty when shoe firms posted first quarter results over the last six weeks or so, most of them were estimating a 10 percent tariff rate for the remainder of 2025. Vicki M. Young, Footwear News, 27 Oct. 2025 Saudi Arabia’s diplomatic outreach over the past decade — restoring ties with Iran, reasserting Arab influence in Syria, and shaping regional discussions on Gaza and Palestinian statehood — has turned the forum into a stage where political stability is sold as investable certainty. Wael Mahdi, semafor.com, 27 Oct. 2025 In fact, there was no certainty Fields would even be starting on the road at Paycor Stadium on Sunday, as head coach Aaron Glenn kept his decision close to his chest until Saturday came around. Scott Thompson, FOXNews.com, 27 Oct. 2025 See All Example Sentences for certainty
Recent Examples of Synonyms for certainty
Noun
  • Wall Street is looking for assurance that Apple’s biggest revenue driver is still growing despite concerns that the company is behind in the AI race.
    Lisa Eadicicco, CNN Money, 30 Oct. 2025
  • The idea of winning Rs 1 crore had driven countless Indians to try their luck at KBC, dedicating years to memorizing trivia with no assurance of ever being able to compete on the show.
    Snigdha Poonam, The Dial, 28 Oct. 2025
Noun
  • Cosplayers are a community unto themselves, and at NYCC, the likelihood of passing by a fully functioning DIY transformer costume is as great as passing someone on the street who had a bodega bacon, egg and cheese sandwich for breakfast.
    Nikki Birch, NPR, 31 Oct. 2025
  • Analysts expect the first have a higher likelihood of being upheld, while the reciprocal tariffs could be declared unconstitutional.
    Sarah Min, CNBC, 31 Oct. 2025
Noun
  • This funny tale of unlikely heroism can be enjoyed either as a read-aloud or as a confidence booster for newly independent readers.
    Caroline Carlson, Literary Hub, 3 Nov. 2025
  • Narrowly beating Purdue as a 21-point favorite won’t inspire a lot of confidence for the final stretch of the regular season.
    Austin Meek, New York Times, 2 Nov. 2025
Noun
  • But the gooners’ rise does, in retrospect, possess a certain inevitability.
    Daniel Kolitz, Harpers Magazine, 24 Oct. 2025
  • The series then retreats to 2019 to trace the circumstances that led to these killings, building toward the inevitability of Maggie and Paul’s death and filtering the whole family through a lens of catastrophe, where every member is either ill-fated or devious.
    Roxana Hadadi, Vulture, 24 Oct. 2025
Noun
  • Both sides think more like lawyers than historians, deriving their satisfaction from scoring points as advocates for their respective clients.
    Literary Hub, Literary Hub, 28 Oct. 2025
  • For current renters who dream of owning a home, Calesa Township’s lease satisfaction program will help make the transition from renting to owning as smooth as possible.
    Calesa Township, Miami Herald, 28 Oct. 2025
Noun
  • This approach can reduce the overhead coordination of traditional innovation processes while maximizing the probability of generating top-tier ideas from the start.
    François Candelon, Fortune, 31 Oct. 2025
  • The 2032 pass of the hypothetical swarm will arrive from the nighttime side of the Earth, at which point Boslough said the probability of an impact or airburst might be higher than average.
    Hannah Millington, MSNBC Newsweek, 30 Oct. 2025
Noun
  • According to the Marijuana Policy Project, as of 2018, there have been approximately 32,000 people still incarcerated for cannabis convictions, despite its legal status in 24 states.
    Mennlay Golokeh Aggrey, Bon Appetit Magazine, 3 Nov. 2025
  • This unique vantage point has given weight to her conviction that human adaptability, not automation, can define true progress.
    Connie Etemadi, USA Today, 3 Nov. 2025

Browse Nearby Words

Cite this Entry

“Certainty.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/certainty. Accessed 5 Nov. 2025.

More from Merriam-Webster on certainty

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!