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
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
Brian Steinberg, Variety, 6 Oct. 2025
Not sure where to find your perfect mattress match?
—Kristi Kellogg, Architectural Digest, 5 Oct. 2025
Josh Miller, Southern Living, 28 Sep. 2025
Light boxes represent the most run-friendly looks, and the Chiefs sure see a lot of affection there.
—Kansas City Star, 26 Sep. 2025
See All Example Sentences for sure
Adjective
There are some parties who aren’t sure CBS News needs to be invigorated.
—Brian Steinberg, Variety, 6 Oct. 2025
Not sure where to find your perfect mattress match?
—Kristi Kellogg, Architectural Digest, 5 Oct. 2025
Adverb
Well folks, Cornbread Casserole sure ain’t that.
—Josh Miller, Southern Living, 28 Sep. 2025
Light boxes represent the most run-friendly looks, and the Chiefs sure see a lot of affection there.
—Kansas City Star, 26 Sep. 2025
See All Example Sentences for sure
Recent Examples of Synonyms for sure
Adjective
-
The Board is confident that the institutional improvements implemented over the past five years, along with those planned for the coming months – incorporating valuable recommendations from Omnia – will mitigate risks in the future.—
Meredith Kile,
PEOPLE,
8 Oct. 2025
-
Chanel delivered a confident debut from Matthieu Blazy.—
Rhonda Richford,
Footwear News,
8 Oct. 2025
Adjective
-
The mayor's office said the quick timeline is necessary to meet state notification deadlines for the change to take effect.—
Vanessa Swales,
jsonline.com,
6 Oct. 2025
-
Jackson picked the cold case right back up but had to dispatch colleagues to do the voluminous number of necessary interviews and to pursue any new tips.—
Jean Casarez,
CNN Money,
5 Oct. 2025
Adjective
-
Lithium has been one of the most reliable treatments for bipolar disorder for decades.—
Aamir Khollam,
Interesting Engineering,
9 Oct. 2025
-
When renewable energy is paired with large batteries or other forms of grid management, it's proven to be reliable.—
Julia Simon,
NPR,
8 Oct. 2025
Adjective
-
Watching my great-grandmother, grandmother, mother and aunt serve as loyal members of this sorority shaped my understanding of what true sisterhood and service look like.—
Essence,
Essence,
3 Oct. 2025
-
With markets looking unperturbed, that might turn out true sooner if nothing serious comes in the way of the bulls.—
Yeo Boon Ping,
CNBC,
3 Oct. 2025
Adjective
-
In this framework, the new recommendations are actively harmful, and not grounded in conclusive research.—
Dr. Sunny Patel,
Time,
2 Oct. 2025
-
The publication also noted that despite there being no conclusive evidence that Assata was directly to blame for the death of Foerster, New Jersey law stated that everyone involved was equally responsible for the murder.—
Chris Barilla,
PEOPLE,
26 Sep. 2025
Adverb
-
And Virginia Beach is definitely at the top of the list for fall weekend getaways.—
Beth Luberecki,
USA Today,
4 Oct. 2025
-
The universe definitely sent you that sweet baby.—
Maria Morava,
MSNBC Newsweek,
3 Oct. 2025
Adjective
-
In fact, while vision isn’t their strongest sense, dogs may even be able to see certain aspects of a TV show.—
Alyce Collins,
MSNBC Newsweek,
4 Oct. 2025
-
Providing fiber for digestion, there’s fresh broccoli along with antioxidants to help reduce the risk of certain cancers.—
Susan Selasky,
Freep.com,
4 Oct. 2025
Adjective
-
The chart from yesterday underlines how Brighton posed all of the threat from the hour-mark until the seemingly inevitable equaliser arrived, with Wolves generating some attacking momentum only after they had been pegged back.—
Steve Madeley,
New York Times,
6 Oct. 2025
-
Although both sides said the right things publicly, a breakup between Williams and the Hornets was inevitable after the trade to the Los Angeles Lakers in February got rescinded, and Williams acknowledged as much during his media day session in Phoenix.—
Roderick Boone,
Charlotte Observer,
4 Oct. 2025
Cite this Entry
“Sure.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sure. Accessed 9 Oct. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share