[ too-tahym ]
/ ˈtuˌtaɪm /
verb (used with object), two-timed, two-tim·ing. Informal.
to be unfaithful to (a lover or spouse).
Origin of two-time
First recorded in 1925–30
Related formstwo-tim·er, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for two-timing
informal to deceive (someone, esp a lover) by carrying on a relationship with another
Derived Formstwo-timer, noun
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 two-timing
"to deceive, cheat, betray," 1924, perhaps from notion of "to have two at a time." An earlier reference (1922) in a Kentucky criminal case and involves a double-cross or betrayal, without a romance angle. Related: two-timing (adj.); two-timer.
Online Etymology Dictionary, © 2010 Douglas Harper