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
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, 22 Feb. 2026
If a disagreement surfaces, state your point of view without blame (and be sure to let others share as well).
—Tarot.com, New York Daily News, 22 Feb. 2026
To be sure, the government has paid refunds after similar cases in the past.
—Jason Ma, Fortune, 22 Feb. 2026
Containers dry out faster than plants in the ground, so be sure to water containers deeply when the upper two inches of soil feels dry to the touch.
—Kim Toscano, Southern Living, 22 Feb. 2026
See All Example Sentences for be sure
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Nc Weather Bot, Charlotte Observer, 22 Feb. 2026
If a disagreement surfaces, state your point of view without blame (and be sure to let others share as well).
—Tarot.com, New York Daily News, 22 Feb. 2026
To be sure, the government has paid refunds after similar cases in the past.
—Jason Ma, Fortune, 22 Feb. 2026
Containers dry out faster than plants in the ground, so be sure to water containers deeply when the upper two inches of soil feels dry to the touch.
—Kim Toscano, Southern Living, 22 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 26 Feb. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
