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as in reliable
not likely to fail a sure cure for the winter blues—a week in the Bahamas

Synonyms & Similar Words

Antonyms & Near Antonyms

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sure

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adverb

Synonym Chooser

How does the adjective sure contrast with its synonyms?

Some common synonyms of sure are certain, cocksure, and positive. While all these words mean "having no doubt or uncertainty," sure usually stresses the subjective or intuitive feeling of assurance.

felt sure that I had forgotten something

When is certain a more appropriate choice than sure?

In some situations, the words certain and sure are roughly equivalent. However, certain may apply to a basing of a conclusion or conviction on definite grounds or indubitable evidence.

police are certain about the cause of the fire

When would cocksure be a good substitute for sure?

The words cocksure and sure can be used in similar contexts, but cocksure implies presumptuous or careless positiveness.

you're always so cocksure about everything

Where would positive be a reasonable alternative to sure?

The synonyms positive and sure are sometimes interchangeable, but positive intensifies sureness or certainty and may imply opinionated conviction or forceful expression of it.

I'm positive that's the person I saw

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 sure
Adjective
Of course, that mystery will unfold over the course of the season, sure to include misdirects and diversions along the way. Judy Berman, TIME, 17 Feb. 2025 For sure, Hornclaw breaks the mold of the conventional action hero. Kevin Cassidy, The Hollywood Reporter, 16 Feb. 2025
Adverb
But a few more 8-figure deals would sure bolster spirits. Mike Fleming Jr, Deadline, 2 Feb. 2025 Winslet sure had the right to be mad at her friend for embarrassing her in front of an esteemed industry group. Justin Curto, Vulture, 31 Jan. 2025 See All Example Sentences for sure
Recent Examples of Synonyms for sure
Adjective
  • Little ‘confident’ federal roles will remain even as layoffs begin Much of Idaho’s resiliency to federal funding cuts will depend on its maintenance of a state budget surplus, Little said Tuesday.
    Sarah Cutler, Idaho Statesman, 26 Feb. 2025
  • However, Gomes is confident that the winter moves have given the Dodgers some added adrenaline for 2025 and will offset a potential championship hangover.
    John Perrotto, Forbes, 26 Feb. 2025
Adjective
  • The dog travel website Paws & Stay recommends ensuring that a dog is comfortable in public settings, bringing necessary supplies like a leash and water, and being mindful of other passengers.
    Mark Joseph, Newsweek, 24 Feb. 2025
  • Gaining control of the target's email is often a necessary step to unlock other accounts.
    Ashley Belanger, Ars Technica, 24 Feb. 2025
Adjective
  • The 3-month Treasury yield this week moved above the 10-year note, a historically reliable indicator of a recession at the 12- to 18-month horizon.
    Jeff Cox, CNBC, 28 Feb. 2025
  • With a credit card and a garage, enthusiasts can build a virtually new Mustang from scratch using show-quality reproduction parts available from dozens of reliable suppliers.
    Robert Ross, Robb Report, 28 Feb. 2025
Adjective
  • His interest in what is factually true — and how Americans no longer start with the same fact base — has led him back to a time when the country regarded some top TV news people as moral authorities.
    Thea Traff, New York Times, 20 Feb. 2025
  • The Airbrush is also a true full-length style that's proved clutch for taller shoppers (see below).
    Andrea Navarro, Glamour, 20 Feb. 2025
Adjective
  • In a new interview with Classic Rock, bassist Geddy Lee and guitarist Alex Lifeson discussed the band’s conclusive world tour, which coincided with drummer Neil Peart‘s failing health.
    Emily Zemler, Rolling Stone, 7 Jan. 2025
  • There’s simply not enough conclusive evidence to know precisely how these products influence cardiovascular health, Samantha Coogan, RDN, a nutrition sciences professor and director of the Didactic Program in Nutrition and Dietetics at the University of Nevada, Las Vegas, told Health.
    Elizabeth Yuko, Health, 11 Feb. 2025
Adverb
  • White wines can definitely be aged due to their structure and make-up and more than that, bring another dimension to the table.
    Emily Cappiello, Forbes, 20 Feb. 2025
  • But despite its title, Hysteria never resorts to jump scares and is definitely not a slasher flick.
    Jordan Mintzer, The Hollywood Reporter, 20 Feb. 2025
Adjective
  • Taxpayer services workers, taxpayer advocates, and certain information technology workers are required to work through May 15 in order to be there through the tax filing season, Reuters reported.
    Erin Mansfield, USA TODAY, 22 Feb. 2025
  • There are some travelers who have always been concerned about boarding an aircraft — and who practice certain rituals to help give them some peace of mind while in the air.
    Ashley J. DiMella Fox News, Fox News, 21 Feb. 2025
Adjective
  • All of these were invited again this year, as well as several others that seem to be on the cusp of big recognition, leading to some inevitable speculation.
    Ann Abel, Forbes, 25 Feb. 2025
  • For Spiteful and other Chicago craft brewers, the results may be inevitable: libation inflation.
    Robert Channick, Chicago Tribune, 25 Feb. 2025

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Cite this Entry

“Sure.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sure. Accessed 3 Mar. 2025.

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