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
Synonyms & Similar Words
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
Synonyms & Similar Words
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
John Hollinger, New York Times, 25 Oct. 2025
The children aren’t sure yet what this will mean to them, and Durst inhabits that uncertainty alongside them.
—Rachel Monroe, New Yorker, 25 Oct. 2025
Sean Gentille, New York Times, 17 Oct. 2025
Oh sure, there’s the occasional supernova and a bit of unrest as huge gas clouds collide and start to form stars.
—Phil Plait, Scientific American, 16 Oct. 2025
See All Example Sentences for sure
Adjective
Faint praise, sure, but the 11th pick came on strong late last season after a very shaky start and has only gained more steam since.
—John Hollinger, New York Times, 25 Oct. 2025
The children aren’t sure yet what this will mean to them, and Durst inhabits that uncertainty alongside them.
—Rachel Monroe, New Yorker, 25 Oct. 2025
Adverb
And the move sure bit the Avalanche in the first round last year.
—Sean Gentille, New York Times, 17 Oct. 2025
Oh sure, there’s the occasional supernova and a bit of unrest as huge gas clouds collide and start to form stars.
—Phil Plait, Scientific American, 16 Oct. 2025
See All Example Sentences for sure
Recent Examples of Synonyms for sure
Adjective
-
Elegant, confident and eternally expressive, both make a stylish pair, effortlessly turning heads while basking in the adoration.—
Valerie Mesa,
PEOPLE,
29 Oct. 2025
-
Officials, though, are less confident that a trade agreement discussed in July will be finalized, as the countries remain deadlocked over the details of Seoul’s $350 billion investment pledge.—
Reed Albergotti,
semafor.com,
29 Oct. 2025
Adjective
-
Almost six months into the ban, however, and questions are being asked whether the ongoing restrictions are excessive, and no longer necessary.—
Holly Ellyatt,
CNBC,
26 Oct. 2025
-
That won’t be the case this season; the Lakers are all-in on Luka heliocentricism, with James’ early absence due to sciatica making that commitment even more necessary.—
John Hollinger,
New York Times,
25 Oct. 2025
Adjective
-
Chaco is known for making great hiking sandals, and its boots are sure to be just as durable and reliable with the same heavy-duty outsole and comfortable footbed for walking long distances.—
Kelsey Glennon,
Travel + Leisure,
29 Oct. 2025
-
In just the past decade, late-night shows’ bookings—a reliable rite of passage for musical artists on the edge of a breakthrough—have dropped significantly, to barely 200 performances in 2023.—
Jonathan Garrett,
The Atlantic,
29 Oct. 2025
Adjective
-
In my experience, this is especially true in the lonely hours of the night while struggling with chronic pain.—
Joni Eareckson Tada,
MSNBC Newsweek,
25 Oct. 2025
-
For most Galatasaray supporters, domestic titles were never the true measure of success; Europe was.—
The Athletic UK Staff,
New York Times,
25 Oct. 2025
Adjective
-
Researchers further explain that the discovery of microscopic deformation features in quartz provides conclusive proof that the Jinlin crater was formed by an asteroid impact.—
Bojan Stojkovski,
Interesting Engineering,
25 Oct. 2025
-
Advertisement What the NFL changed to reduce injuries In recent years, as research about CTE has become more conclusive, some sports leagues have begun to concede that head impacts are a problem.—
Alana Semuels,
Time,
20 Oct. 2025
Adverb
-
The vibes are definitely compromised around Anfield.—
Steven Louis Goldstein,
New York Times,
25 Oct. 2025
-
Some other state, possibly culminating in a singularity but definitely not an inflationary state itself, must have preceded it.—
Big Think,
Big Think,
24 Oct. 2025
Adjective
-
In some cases, sportsbooks have taken down odds on certain events to protect against manipulation.—
Preston Fore,
Fortune,
25 Oct. 2025
-
Also, they’re simply banned at certain sites, including all of Greece’s ancient monuments, for preservation reasons.—
Asia London Palomba,
Travel + Leisure,
25 Oct. 2025
Adjective
-
In their statement, Shalom's owners told Public Investigator natural deaths are inevitable at any zoo.—
Quinn Clark,
jsonline.com,
27 Oct. 2025
-
When these run out however, devaluation is inevitable, usually causing a recession.—
Edward Lotterman,
Twin Cities,
26 Oct. 2025
Cite this Entry
“Sure.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sure. Accessed 31 Oct. 2025.
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