make certain of

idiom

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

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 26 Jan. 2023.

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