make certain

phrase

: 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

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Thus, by creating a dedicated management system, a photographer can make certain the trains are running on time, and nothing is falling through the cracks. K.h. Koehler, USA Today, 17 July 2026 Cubalex, a local human rights organization that operates outside the country, on Monday filed a writ of habeas corpus in an effort to make certain that Otero Alcántara was not being illegally detained. News Desk, Artforum, 15 July 2026 Stronger El Nino events only make certain impacts more likely and do not always guarantee strong impacts, NOAA noted. ABC News, 9 July 2026 Scratching is a natural response to a skin irritant that increases skin inflammation and can make certain diseases, such as eczema, worse. Teresa Mull, FOXNews.com, 4 July 2026 See All Example Sentences for make certain

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Cite this Entry

“Make certain.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/make%20certain. Accessed 21 Jul. 2026.

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