make certain of


: to make sure that one definitely knows (something)
Make certain of your flight times before you leave for the airport.

Examples of make certain of in a Sentence

Recent Examples on the Web Flying above 10,000 feet all the way, this survey crew took astronomical observations from sun and stars to make certain of bearings and picked up messages radioed from ships at sea. Popular Mechanics Editors, Popular Mechanics, 30 Oct. 2020

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'make certain of.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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Cite this Entry

“Make certain of.” Dictionary, Merriam-Webster, Accessed 18 May. 2024.

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