one thing is (for) sure
idiom
: it is certain : certainly
One thing is (for) sure, we'll never eat there again.
Examples of one thing is (for) sure in a Sentence
Recent Examples on the Web
Only time will tell if Jeremiah's prediction is correct, but one thing is for sure: Wilson would have to thrive in order to keep fans from pounding the table for Dart to start.
—
Justin Grasso, MSNBC Newsweek, 27 June 2025
For all of life’s impermanence and uncertainty, one thing is for sure.
—Jack Barlow, Christian Science Monitor, 18 June 2025
With a drawstring and pockets on the shorts and 12 color options to choose from, one thing is for sure: this versatile set is a must-have for keeping cool and comfortable during the long dog days of summer.
—Rebecca Jones, Southern Living, 13 June 2025
There may be uncertainty in the advertising market, but one thing is for sure: live sports still get the biggest audiences and most ad dollars.
—Lillian Rizzo, CNBC, 24 Apr. 2025
See All Example Sentences for one thing is (for) sure
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Justin Grasso, MSNBC Newsweek, 27 June 2025
For all of life’s impermanence and uncertainty, one thing is for sure.
—Jack Barlow, Christian Science Monitor, 18 June 2025
With a drawstring and pockets on the shorts and 12 color options to choose from, one thing is for sure: this versatile set is a must-have for keeping cool and comfortable during the long dog days of summer.
—Rebecca Jones, Southern Living, 13 June 2025
There may be uncertainty in the advertising market, but one thing is for sure: live sports still get the biggest audiences and most ad dollars.
—Lillian Rizzo, CNBC, 24 Apr. 2025
See All Example Sentences for one thing is (for) sure
Cite this Entry
“One thing is (for) sure.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/one%20thing%20is%20%28for%29%20sure. Accessed 1 Jul. 2025.
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