spillover

noun

spill·​over ˈspil-ˌō-vər 

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

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

Dotted with palm trees, the wraparound yard hosts a large swimming pool with a Baja shelf and a spillover spa, along with several spots ideal for alfresco lounging and entertaining. — Wendy Bowman, Robb Report, 29 June 2026

In the first weeks of the war, the Syrian military sent reinforcements to the border with Lebanon, which officials said aimed to stop cross-border weapons smuggling or any spillover of the conflict. — ABC News, 28 June 2026

Word History

First Known Use

1940, in the meaning defined at sense 1

Rhymes for spillover

• carryover
• changeover
• crossover
• cutover
• flashover
• hangover
• holdover
• layover
• leftover
• makeover
• moreover
• passover