1
as in confident
having or showing a mind free from doubt
are you absolutely sure that she said she was coming today?
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
2
as in necessary
impossible to avoid or evade
the joke's a sure dud if you don't pause in the right places
Synonyms & Similar Words
Antonyms & Near Antonyms
3
as in reliable
not likely to fail
a sure cure for the winter blues—a week in the Bahamas
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Antonyms & Near Antonyms
4
as in true
worthy of one's trust
a sister is a sure friend for life
Synonyms & Similar Words
Antonyms & Near Antonyms
5
as in conclusive
not capable of being challenged or proved wrong
no sure evidence that life exists on other planets
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Antonyms & Near Antonyms
as in definitely
without any question
we sure could use your help here
Synonyms & Similar Words
Example Sentences
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Recent Examples of sure
Literary Hub, 6 Jan. 2026
Sink isn’t so sure about Mike’s version of events, though.
—Emlyn Travis, Entertainment Weekly, 6 Jan. 2026
Savannah Salazar, Vulture, 1 Nov. 2025
Pamela Anderson is having a moment, and though her love affair with Liam Neeson may or may not be legit, her pickles sure are.
—Emily Farris, Bon Appetit Magazine, 31 Oct. 2025
See All Example Sentences for sure
Adjective
Not sure what to look forward to in 2026?
—Adverb
But people sure do keep trying!
—Recent Examples of Synonyms for sure
Adjective
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The Dunning-Kruger effect is a cognitive bias in which people with less knowledge or skill feel overly confident.—
-
On a crucial third-and-10 just inside field goal range, Beck was confident with his pass to Marion to get well within range.—
Adjective
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After giving birth to her second child in April, the 32-year-old was determined to continue breastfeeding her son — a choice that was both personally important and financially necessary for her family.—
-
The Federal Aviation Administration says the decision is necessary to keep travelers safe.—
Adjective
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For decades, Venezuela was one of America's closest partners in Latin America, a reliable energy supplier, and a democracy that helped anchor the region.—
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Finding the right toiletry bag for your next trip is as important as buying a reliable carry-on or a hassle-free backpack.—
Adjective
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This is especially true for plants that are marginally hardy in your area, as well as common perennials like woodland phlox, lamb’s ear, and hardy geraniums.—
-
Fellow true freshman Joshua Moore should be in line for a bigger role next season as well.—
Adjective
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No conclusive plan has been formed to either engage in talks with another professional sports team or repurpose the current site of Arrowhead Stadium – though Lucas and LeVota, respectively, said the city and county could explore both in the next five years.—
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While there is no conclusive evidence indicating a best time to drink aloe vera gel for digestive health, consuming it at specific times may support different health goals.—
Adverb
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Tankaneo Double-Breasted Cropped Trench My number-one petite fashion hack is to buy cropped styles that’ll be full-length on my shorter frame, and this trench definitely delivers.—
-
That's definitely a skeleton crew, as the current nominal crew size for the ISS is seven.—
Adjective
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This is partly due to personal preference, but leaving plants standing through winter also helps certain plants grow better and even provides perks to local wildlife.—
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Forever Fleece joggers, with certain styles on sale for as low as $45.—
Adjective
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The fall of Pokrovsk – the strategic value of which has already been greatly diminished, but which would nevertheless represent the biggest win for Moscow since 2023 – now seems almost inevitable, according to those on the ground.—
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This character of aberrance is what makes accidental surfing deaths seem inevitable—or, rather, inexorable, built into the subway’s force.—
Cite this Entry
“Sure.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sure. Accessed 12 Jan. 2026.
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