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
An attack on Williamsburg and his patron would be sure to derail his dreams of greater wealth in the west.
—
Andrew Lawler, Smithsonian Magazine, 2 Apr. 2025
While steaming, be sure to hold the steamer nozzle upright so hot water doesn't spill or dribble out.
—Katelyn Squiers, Better Homes & Gardens, 2 Apr. 2025
Forgetting to Dust First Bathrooms collect a lot of dust, so be sure to use a microfiber towel or a feather duster to tackle the top of your toilet, shelves, and counters.
—Melissa Locker, Southern Living, 2 Apr. 2025
Also be sure to check out our guides to the Best Energy Drinks, Best Coffee Makers, and Best Electric Kettles.
—Pete Cottell, Wired News, 2 Apr. 2025
See All Example Sentences for be sure
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Andrew Lawler, Smithsonian Magazine, 2 Apr. 2025
While steaming, be sure to hold the steamer nozzle upright so hot water doesn't spill or dribble out.
—Katelyn Squiers, Better Homes & Gardens, 2 Apr. 2025
Forgetting to Dust First Bathrooms collect a lot of dust, so be sure to use a microfiber towel or a feather duster to tackle the top of your toilet, shelves, and counters.
—Melissa Locker, Southern Living, 2 Apr. 2025
Also be sure to check out our guides to the Best Energy Drinks, Best Coffee Makers, and Best Electric Kettles.
—Pete Cottell, Wired News, 2 Apr. 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 16 Apr. 2025.
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