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

For families Studios, suites, and deluxe level kings are all spacious enough for families—but for the latter of those options be sure to book early, as there are only 16 up for grabs. — Condé Nast, Condé Nast Traveler, 5 Aug. 2026

Just be sure any materials that come into contact with birdseed are clean and free from flaking coatings, rust, or other damage. — Jessica Safavimehr, Southern Living, 5 Aug. 2026

Mixing work with travel is an alluring option, but be sure to check your company policy and consider other critical factors before taking a trip, executive coach Caroline Castrillon says. — Courtney Connley-Hampton, Forbes.com, 4 Aug. 2026

While visiting, be sure to take a stroll with your pooch into town to treat them to a snack, toy or cute collar upgrade at Scalawags Pet Boutique. — Rebecca R. Norris, USA Today, 29 July 2026

Rhymes for be sure

• abjure
• adjure
• allure
• assure
• brochure
• cocksure
• coiffure
• contour
• couture
• demure
• detour
• endure