make certain of

idiom

: 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
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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

Dictionary Entries Near make certain of

Cite this Entry

“Make certain of.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/make%20certain%20of. Accessed 23 Nov. 2024.

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