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
Some deals will last all week, but many are time-sensitive — so be sure to act fast.
—
Toni Sutton, People.com, 7 July 2025
Just be sure to wash towels according to color and never overfill the machine.
—Patricia Shannon, Southern Living, 6 July 2025
In rooms with area rugs, be sure to not only vacuum the rug itself but also the area of floor underneath it, advises Gonzalez.
—Sarah Lyon, Southern Living, 25 June 2025
To be sure, charter schools are a difficult business proposition and an unaffordable housing market isn’t the only challenge pressuring them.
—Bloomberg, Mercury News, 25 June 2025
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Toni Sutton, People.com, 7 July 2025
Just be sure to wash towels according to color and never overfill the machine.
—Patricia Shannon, Southern Living, 6 July 2025
In rooms with area rugs, be sure to not only vacuum the rug itself but also the area of floor underneath it, advises Gonzalez.
—Sarah Lyon, Southern Living, 25 June 2025
To be sure, charter schools are a difficult business proposition and an unaffordable housing market isn’t the only challenge pressuring them.
—Bloomberg, Mercury News, 25 June 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 19 Jul. 2025.
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