make certain of

idiom

Definition of make certain of

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

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make certain

make certain of

make change

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Cite this Entry

“Make certain of.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/make%20certain%20of. Accessed 28 Sep. 2021.

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