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
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Head to Amazon to snag the Nortiv 8 walking shoes for as low as $51, and be sure to check out other comfy sneakers, below.
—
Isabel Bekele, InStyle, 12 Jan. 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.
—Ca Weather Bot, Sacbee.com, 12 Jan. 2026
In truth, all of the days this week sparkle, so be sure to make the most of them!
—Kyle Thomas, PEOPLE, 4 Jan. 2026
Italian night on Sundays is immensely popular, so be sure to get a reservation.
—Carley Rojas Avila, Travel + Leisure, 4 Jan. 2026
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Isabel Bekele, InStyle, 12 Jan. 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.
—Ca Weather Bot, Sacbee.com, 12 Jan. 2026
In truth, all of the days this week sparkle, so be sure to make the most of them!
—Kyle Thomas, PEOPLE, 4 Jan. 2026
Italian night on Sundays is immensely popular, so be sure to get a reservation.
—Carley Rojas Avila, Travel + Leisure, 4 Jan. 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 13 Jan. 2026.
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