often attributive
1
: the act or an instance of spilling over
2
: a quantity that spills over
3
: an extension of something especially when an excess exists
benefiting from a spillover of prosperity from neighboring states

Examples of spillover in a Sentence

Put a pan under the pie to catch any spillovers. New technology has a positive spillover effect into countless fields.
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.
The economic spillover has been profound, generating tax revenues, high-value jobs—and creating one of Europe’s wealthiest urban economies. Lysanne Currie, Forbes.com, 21 July 2026 In less populous counties, by contrast, job and wage spillovers were negligible. Daniel Yue, Fortune, 14 July 2026 California has logged 41 cyclosporiasis cases this year, most tied to international travel, and none linked to the current outbreak — but health officials are watching for Midwestern spillover. Karen Garcia, Los Angeles Times, 10 July 2026 Not all areas will have the opportunity to cash in on the AI spillover, according to Masiello. Bloomberg, Mercury News, 9 July 2026 See All Example Sentences for spillover

Word History

First Known Use

1940, in the meaning defined at sense 1

Time Traveler
The first known use of spillover was in 1940

Browse Nearby Words

Cite this Entry

“Spillover.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/spillover. Accessed 24 Jul. 2026.

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