be sure
idiom
—used to tell someone not to forget to do something
Be sure to lock the door when you leave.
Examples of be sure in a Sentence
Recent Examples on the Web
Saline, like most other beaches on St Barth’s, is rather bare bones—no bars, no shops, no restaurants—so be sure to pack your own snacks and water.
—
Molly Barstein, Vogue, 1 Feb. 2026
Update your emergency kit and be sure to include enough food and water to last for 3 days for each person in your home.
—Nc Weather Bot, Charlotte Observer, 1 Feb. 2026
Logistics and problem-solving will be no exception, so be sure to read between the lines.
—Valerie Mesa, PEOPLE, 1 Feb. 2026
To be sure, there are some hopeful new developments.
—Richard K. Vedder, The Orlando Sentinel, 1 Feb. 2026
See All Example Sentences for be sure
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Molly Barstein, Vogue, 1 Feb. 2026
Update your emergency kit and be sure to include enough food and water to last for 3 days for each person in your home.
—Nc Weather Bot, Charlotte Observer, 1 Feb. 2026
Logistics and problem-solving will be no exception, so be sure to read between the lines.
—Valerie Mesa, PEOPLE, 1 Feb. 2026
To be sure, there are some hopeful new developments.
—Richard K. Vedder, The Orlando Sentinel, 1 Feb. 2026
See All Example Sentences for be sure
Cite this Entry
“Be sure.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/be%20sure. Accessed 3 Feb. 2026.
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