✨📕 The NEWThe NEW Collegiate Dictionary, 12th Edition Over 5,000 words added — Buy Now! Collegiate DictionaryBuy Now!

make sure

idiom

: to find out or do something so that one has no doubt about whether something is true, correct, will happen, etc.
Make sure (that) you turn the oven off.
They made sure everyone knew where they were supposed to be.

Examples of make sure in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
In the end, Tara bicycled down to the restaurant carrying bags of food to make sure that our versions met with David's or Bill's approval. Jeffrey Steingarten, Vogue, 23 Nov. 2025 Take Proper Care Of Your Christmas Tree Keep all trees at least three feet away from heat sources, and make sure exits are not blocked. Karen Brewer Grossman, Southern Living, 23 Nov. 2025 In a state where ruinous wildfires are commonplace and the threat of catastrophic earthquakes haunts imaginations, Cal OES officials wanted to make sure the new system had redundancies to prevent widespread failure. William Melhado, Sacbee.com, 23 Nov. 2025 The music sounds like a terrible Brooklyn electro indie-sleaze band opening for Crystal Castles or Yachts at Studio B, then rushing home to make sure the Tivo caught Gossip Girl. Rob Sheffield, Rolling Stone, 22 Nov. 2025 See All Example Sentences for make sure

Cite this Entry

“Make sure.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/make%20sure. Accessed 1 Dec. 2025.

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!