Dictionary.com
Thesaurus.com

overspill

American  
[oh-ver-spil, oh-ver-spil] / ˌoʊ vərˈspɪl, ˈoʊ vərˌspɪl /

verb (used without object)

overspilled, overspilt, overspilling
  1. to spill over.


noun

  1. the act of spilling over.

  2. something that spills over.

  3. British. overflow.

overspill British  

noun

    1. something that spills over or is in excess

    2. ( as modifier )

      overspill population

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

verb

  1. (intr) to overflow

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of overspill

First recorded in 1850–55; over- + spill 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Will Capper, from Winchester got a call from his partner Lauren on 1 August saying that "the manhole cover in the garden had started to overspill."

From BBC

Park officials said Sunday that the Lower and North Pines Campgrounds and the Housekeeping Camp will be shut over fears that waterways could overspill their banks.

From Seattle Times

The room and the overspill viewing area in the lobby were at capacity.

From Salon

The warning echoes those of UK and US security teams who are warning of increased likelihood of so called "overspill" cyber-attacks that start in Ukraine and spread to other countries.

From BBC

The zoonotic origin of SARS-CoV-1 has been firmly established by research that also showed that the bat sarbecoviruses pose a clear and present danger of pandemic overspill from bats to humans.

From Scientific American