X factor

noun

: a circumstance, quality, or person that has a strong but unpredictable influence

Examples of X factor 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.
Having that immersion in your business world can be a real X factor. Ryan McFarland, Forbes.com, 22 Aug. 2025 Every team faces difficult decisions this time of year, but this trade deadline has some X factors that go beyond the usual player evaluations and roster analysis. Chad Jennings, New York Times, 30 July 2025 The X factor: 35 percent With the Big Ten and SEC at loggerheads over the format, don’t discount the potential for a compromise. Jon Wilner, Mercury News, 11 July 2025 But that’s predicated on an enhanced valuation for the Streaming & Studios entity, and right now the size of such a lift is still an X factor. Todd Spangler, Variety, 11 June 2025 See All Example Sentences for X factor

Word History

First Known Use

1930, in the meaning defined above

Time Traveler
The first known use of X factor was in 1930

Browse Nearby Words

Cite this Entry

“X factor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/X%20factor. Accessed 28 Aug. 2025.

Last Updated: - Updated example sentences
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