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
Lauren Brown West-Rosenthal, Parents, 28 May 2026
Make sure your walkways are clean and free from algae that could cause people to slip when walking up to your home.
—Angie Hicks, Boston Herald, 28 May 2026
David Fear, Rolling Stone, 25 May 2026
The church hosts sure love tricking us into eating raw broccoli by serving it up in this creamy pasta salad.
—Kaitlyn Yarborough, Southern Living, 24 May 2026
See All Example Sentences for sure
Adjective
Furthermore, if your extreme skin dryness is accompanied by other symptoms, such as severe fatigue, unexplained weight changes, muscle weakness, hair loss, or feeling constantly cold, be sure to mention it to your OB-GYN or primary care physician.
—Lauren Brown West-Rosenthal, Parents, 28 May 2026
Make sure your walkways are clean and free from algae that could cause people to slip when walking up to your home.
—Angie Hicks, Boston Herald, 28 May 2026
Adverb
Those Hutts sure do hold a grudge, however, and the remainder of the movie essentially becomes a cat-and-mouse game between the criminals and our dynamic duo.
—David Fear, Rolling Stone, 25 May 2026
The church hosts sure love tricking us into eating raw broccoli by serving it up in this creamy pasta salad.
—Kaitlyn Yarborough, Southern Living, 24 May 2026
See All Example Sentences for sure
Recent Examples of Synonyms for sure
Adjective
-
Dwayne Johnson is a confident guy and has donned any number of ridiculous guises during his Saturday Night Live hosting gigs over the years.—
Jesse Hassenger,
Entertainment Weekly,
28 May 2026
-
At the same time, the sheer volume of data and the lack of trust in it leave many business leaders unable to make timely, confident decisions, exactly when speed and alignment matter most in today’s industrial environment.—
Dustin Johnson,
Forbes.com,
28 May 2026
Adjective
-
Last spring, the mayor vetoed the budget adopted by the council, and an override ended up being necessary.—
David Garrick,
San Diego Union-Tribune,
29 May 2026
-
The cosmonauts are effectively the human equivalent of first dog Laika, sacrificing themselves — if necessary — for the good of the wider populous.—
Richard Edwards,
Space.com,
29 May 2026
Adjective
-
Final word Ultra professional and utterly reliable, Chiva-Som deserves every accolade.—
Condé Nast,
Condé Nast Traveler,
2 June 2026
-
The malware devotes considerable attention to CI/CD (continuous integration/continuous delivery) systems, which allow for faster and more reliable software releases by automating the building, testing, and deploying of code changes.—
Dan Goodin,
ArsTechnica,
1 June 2026
Adjective
-
There are past precedents for how that is not true.—
Brian Moylan,
Vulture,
3 June 2026
-
With its overall Life in Balance philosophy, Miraval Resorts and Spas has led the way in recognizing just how valuable and restorative a true connection with other humans and the natural environment can be.—
Robb Report Studio,
Robb Report,
3 June 2026
Adjective
-
The jobs apocalypse is not yet here, but governments waiting for conclusive evidence of it will be acting too late.—
The Week UK,
TheWeek,
24 May 2026
-
However, no conclusive evidence ever surfaced to confirm those claims.—
Stephanie Nolasco,
FOXNews.com,
23 May 2026
Adverb
-
Celebrities dress to impress at Cannes, and Dern’s outfit at this year’s film festival definitely hit the mark.—
Mia Huelsbeck,
PEOPLE,
29 May 2026
-
In between those two events, this rising pop star from New Zealand — boasting a sound that would definitely appeal to fans of Lorde — sat down with me for interview in the media room at BottleRock.—
Jim Harrington,
Mercury News,
29 May 2026
Adjective
-
DeGette is one of 45 members of the Democratic caucus on the litigation task force, which files legal motions and amicus briefs to support and challenge certain efforts in the courts.—
Elliott Wenzler,
Denver Post,
31 May 2026
-
Kateryna Bondar, a senior fellow with the Wadhwani AI Center at CSIS, told CNBC that humanoid robots could theoretically provide certain upsides on the battlefield due to their autonomy and human-like dexterity.—
Dylan Butts,
CNBC,
30 May 2026
Adjective
-
Tumi also offers a more high-end version at 31 percent off, featuring a wipeable lining for inevitable makeup leaks.—
Julia Morlino,
Travel + Leisure,
29 May 2026
-
Was that inevitable given her skills?—
Maira Garcia,
Los Angeles Times,
29 May 2026
Cite this Entry
“Sure.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sure. Accessed 4 Jun. 2026.
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