be sure

phrase

—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
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.
Dolce Vita Notice Sneakers Before heading to checkout, be sure to consider the Dolce Vita Notice Sneakers. — Kyra Surgent, InStyle, 27 Sep. 2026 Then be sure to read our guide to photographing shooting stars, along with our picks of the best lenses and cameras for capturing the night sky. — Anthony Wood, Space.com, 26 Sep. 2026 If this applies to your home setup, be sure to disconnect those peripherals from your computer and TV, and don’t forget about appliances or HVAC components. — Sheila Kim, The Spruce, 26 Sep. 2026 The bowl will be hot, so be sure to use oven mitts when handling. — ABC News, 24 Sep. 2026 See All Example Sentences for be sure

Browse Nearby Words

Cite this Entry

“Be sure.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/be%20sure. Accessed 2 Oct. 2026.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster