- contraction of will not: He won't see you now.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- will not
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
Word Origin and History for won't
contraction of will not, first recorded mid-15c. as wynnot, later wonnot (1580s) before the modern form emerged 1660s. See will.
Online Etymology Dictionary, © 2010 Douglas Harper