a certain

idiom

1
used to refer to a quality that is noticed but that is difficult to explain or describe
She has a certain elegance about her.
The house has a certain charm.
2
formal
used with the name of a person one does not know
In 1889, a certain Mr. Kelly made a large donation to the church.

Examples of a certain 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.
Differences in Growth Habits A determinate tomato plant, often called a bush tomato, will grow to a certain size (usually 3 to 5 feet depending on the variety), set fruit, and then stop growing. Mary Marlowe Leverette, Southern Living, 28 Feb. 2026 Rather than stardom, what the actress was chasing was a certain kind of creative immersion. Matt Grobar, Deadline, 27 Feb. 2026 Bulbs begin forming for each type once daylight reaches a certain number of hours daily. Barbara Gillette, The Spruce, 27 Feb. 2026 And such a schlub in a certain way. Mike Ryan, IndieWire, 27 Feb. 2026 See All Example Sentences for a certain

Browse Nearby Words

Cite this Entry

“A certain.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/a%20certain. Accessed 2 Mar. 2026.

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!

More from Merriam-Webster