- happening by or resulting from coincidence; by chance: a coincidental meeting.
- existing or occurring at the same time.
Origin of coincidental
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for coincidentally
I couldn't have imagined that I would actually be sitting with him, coincidentally at age 30, discussing the same issue.Cuban Hip-Hop Was Born in Alamar
December 26, 2014
Tellingly, but not coincidentally, the greatest expansion of Medicaid has occurred in Deep Blue America.With Immigration Move, Obama and the Welfare Party Strike Again
November 24, 2014
Not coincidentally, each party has also recently had a clear shot at implementing its vision of the good society.Relax—Both Parties Are Going Extinct
November 4, 2014
Not coincidentally, all three of these folks lie somewhere in the middle of the gender spectrum.Facebook’s ‘Real Name Policy’ Is a Real Drag
September 18, 2014
Coincidentally or not, in all of these streaks, the death of a President brought a new occupant to the White House.Political Mythbusting: Third Term’s the Charm
August 24, 2014
Coincidentally appears something else that may overthrow it later.The Book of the Damned
Coincidentally was the announcement that she was going in for light opera.
Coincidentally, unobserved but observant, Barouffski was also passing that way.
Coincidentally the political power of the Sumerians came to an end.Myths of Babylonia and Assyria
Donald A. Mackenzie
For, coincidentally with the development of the shack, the builders became something more than partners.Penrod and Sam
- (sentence modifier) by a coincidence; fortuitously
- of or happening by a coincidence; fortuitous
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 coincidentally
Online Etymology Dictionary, © 2010 Douglas Harper