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
But without due diligence and understanding what luxury residents really want will make certain developments fall flat.
—
Sydney Lake, Fortune, 6 Aug. 2025
Genie 3 may make certain types of immersive teaching possible for the first time.
—Dan Fitzpatrick, Forbes.com, 5 Aug. 2025
This is the risk that comes with waiting until the trade deadline to make certain upgrades to the roster versus the offseason.
—Meghan Montemurro, Chicago Tribune, 1 Aug. 2025
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
See All Example Sentences for make certain
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.
Sydney Lake, Fortune, 6 Aug. 2025
Genie 3 may make certain types of immersive teaching possible for the first time.
—Dan Fitzpatrick, Forbes.com, 5 Aug. 2025
This is the risk that comes with waiting until the trade deadline to make certain upgrades to the roster versus the offseason.
—Meghan Montemurro, Chicago Tribune, 1 Aug. 2025
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
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 22 Aug. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share