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
The Village streetscape plan by Enhance La Jolla and the La Jolla Community Foundation intends to make certain intersections on Girard Avenue more pedestrian-friendly, add trees and improve lighting and aesthetics.
—
Ashley MacKin Solomon, San Diego Union-Tribune, 17 July 2025
Who gets to serve, and who gets served, when policy shifts make certain forms of justice work economically unviable?
Public interest work is, in many ways, a public good.
—Michelle Mbekeani, Forbes.com, 15 July 2025
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
See All Example Sentences for make certain
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Ashley MacKin Solomon, San Diego Union-Tribune, 17 July 2025
Who gets to serve, and who gets served, when policy shifts make certain forms of justice work economically unviable?
Public interest work is, in many ways, a public good.
—Michelle Mbekeani, Forbes.com, 15 July 2025
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
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 1 Aug. 2025.
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