- 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 coincidental
This had the coincidental effect of filling the room to capacity for the preceding speaker, Rick Santorum.On CPAC Day 2, the Libertarian Wing Takes Over
March 8, 2014
“When I met her we were talking how coincidental it was,” Williams tells The Daily Beast.Vanessa Williams, the First Black Miss America, On Nina Davuluri and Racism
September 21, 2013
Please be advised that launching this feature the day after Yom Kippur is not coincidental, but divine timing.The Week in Apologies
October 10, 2008
His passing, and the coming of the easterly wind, were coincidental.The Mutiny of the Elsinore
And that again the similarity in retouching to the upper right of Oswald's shoulder and head might be coincidental?Warren Commission (7 of 26): Hearings Vol. VII (of 15)
The President's Commission on the Assassination of President Kennedy
But the kind of ghost most frequently seen is that which appears not before but immediately after, or coincidental with, a death.Adventurings in the Psychical
H. Addington Bruce
Then there befell the household a series of coincidental labor problems that left them all at once without servants.The Tyranny of Weakness
Charles Neville Buck
The Witch is an eminently readable story of adventure of the coincidental kind.
- of or happening by a coincidence; fortuitous
Word Origin and History for coincidental
Online Etymology Dictionary, © 2010 Douglas Harper