[ verb oh-ver-spil; noun oh-ver-spil ]
/ verb ˌoʊ vərˈspɪl; noun ˈoʊ vərˌspɪl /

verb (used without object), o·ver·spilled or o·ver·spilt, o·ver·spill·ing.

to spill over.


the act of spilling over.
something that spills over.
British. overflow.


Discover The Influence Of Portuguese On English Via This Quiz!
We’ve gathered some interesting words donated to English from Portuguese … as well as some that just don’t translate at all. Do you know what they mean?
Question 1 of 11
Which of the following animal names traces its immediate origin to Portuguese?

Origin of overspill

First recorded in 1850–55; over- + spill1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for overspill

British Dictionary definitions for overspill


noun (ˈəʊvəˌspɪl)

  1. something that spills over or is in excess
  2. (as modifier)overspill population

verb (ˌəʊvəˈspɪl) -spills, -spilling, -spilt or -spilled

(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