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make sure

idiom

: to find out or do something so that one has no doubt about whether something is true, correct, will happen, etc.
Make sure (that) you turn the oven off.
They made sure everyone knew where they were supposed to be.

Examples of make 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.
There is nothing to make sure that the content is safe or that this is an appropriate way to capitalize on kids' brain vulnerabilities. Sharyn Alfonsi, CBS News, 8 Dec. 2025 To prevent this, make sure your container has drainage holes. Lynn Coulter, Better Homes & Gardens, 7 Dec. 2025 Oh-so rigid and diligent, Preston would make sure to be well-versed in literary history. Lizz Schumer, PEOPLE, 7 Dec. 2025 The substations make sure the nuclear power plants can keep functioning safely and generate power for the country, the agency said. Ellie Cook, MSNBC Newsweek, 7 Dec. 2025 See All Example Sentences for make sure

Cite this Entry

“Make sure.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/make%20sure. Accessed 10 Dec. 2025.

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