be sure

phrase

—used to tell someone not to forget to do something
Be sure to lock the door when you leave.

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be supposed to
be sure
be sweet on
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Cite this Entry

“Be sure.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/be%20sure. Accessed 9 Mar. 2026.

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