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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Then be sure to check out our roundup of the best telescopes for observing the night sky in 2025.
—
Anthony Wood, Space.com, 29 Nov. 2025
The water play area is going to be popular in the warmer months, so just be sure to bring a change of clothes for kids who want to get soaked.
—Megan Dubois, Southern Living, 29 Nov. 2025
To be sure, the cases against Comey and James are much less complex than the one against Bolton.
—Ella Lee, The Hill, 22 Nov. 2025
With the world in the midst of an electric vehicle desirability and regulation shake up, Ford had to be sure to set the right tone, one that would carry the brand over the waves.
—Eileen Falkenberg-Hull, MSNBC Newsweek, 21 Nov. 2025
See All Example Sentences for be sure
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Anthony Wood, Space.com, 29 Nov. 2025
The water play area is going to be popular in the warmer months, so just be sure to bring a change of clothes for kids who want to get soaked.
—Megan Dubois, Southern Living, 29 Nov. 2025
To be sure, the cases against Comey and James are much less complex than the one against Bolton.
—Ella Lee, The Hill, 22 Nov. 2025
With the world in the midst of an electric vehicle desirability and regulation shake up, Ford had to be sure to set the right tone, one that would carry the brand over the waves.
—Eileen Falkenberg-Hull, MSNBC Newsweek, 21 Nov. 2025
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 Dec. 2025.
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