spillover

noun

spill·​over ˈspil-ˌō-vər How to pronounce spillover (audio)
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.
Two years ago, the Summer Games in Paris opened under threats of political sabotage by Russia, fears of Islamist terror plots and the spillover from the Israel-Hamas war. Los Angeles Times, 10 Feb. 2026 My view is that the spillover is temporary. Dhruv Khullar, New Yorker, 9 Feb. 2026 Such an analysis would examine park-wide parking capacity, neighborhood spillover, seasonal and weekend use, and coordination with transit and shuttle operations. Ed Gaskin, Boston Herald, 31 Jan. 2026 But recent federal actions also create spillover effects — collective trauma, lost trust, moral injury, and a chilling of bystander care — that undermine health for us all. Patrick Smith, STAT, 27 Jan. 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 12 Feb. 2026.

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