make certain
idiom
: to do something or find out something so that one has no doubt about whether something is true, correct, will happen, etc.
Make certain (that) you lock the door when you leave.
We must make certain this doesn't happen again.
She made certain she thanked each of them for coming.
Examples of make certain in a Sentence
Recent Examples on the Web
Factors like a favorable tax climate, global connectivity, strong tourism market and influx of high-net-worth individuals make certain locations ideal hubs for such developments.
—
Daniel Berman, Forbes.com, 3 July 2025
These laws, and the many like it nationwide, would force manufacturers to make certain parts, instruction manuals, and tools needed for common repairs available, as well as extend warranties.
—Sophie Liza Cannon, Forbes.com, 1 July 2025
In addition to Medicaid provider taxes, the Senate parliamentarian also rejected proposals to make certain immigrants who are not citizens ineligible for Medicaid coverage.
—Lorie Konish, CNBC, 27 June 2025
For instance, political instability or conflict can make certain destinations inaccessible or undesirable.
—David Nikel, Forbes.com, 18 June 2025
See All Example Sentences for make certain
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Daniel Berman, Forbes.com, 3 July 2025
These laws, and the many like it nationwide, would force manufacturers to make certain parts, instruction manuals, and tools needed for common repairs available, as well as extend warranties.
—Sophie Liza Cannon, Forbes.com, 1 July 2025
In addition to Medicaid provider taxes, the Senate parliamentarian also rejected proposals to make certain immigrants who are not citizens ineligible for Medicaid coverage.
—Lorie Konish, CNBC, 27 June 2025
For instance, political instability or conflict can make certain destinations inaccessible or undesirable.
—David Nikel, Forbes.com, 18 June 2025
See All Example Sentences for make certain
Cite this Entry
“Make certain.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/make%20certain. Accessed 29 Jul. 2025.
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