coincidental
adjective
co·in·ci·den·tal
(ˌ)kō-ˌin(t)-sə-ˈden-tᵊl 
1
: resulting from a coincidence
a coincidental resemblance
2
: occurring or existing at the same time
coincidental deaths
Examples of coincidental in a Sentence
The fact that he and his boss went to the same college was purely coincidental.
the nearly coincidental deaths of Princess Diana and Mother Teresa
Recent Examples on the Web
Any resemblance to real-life movements of the mid-20th century that edged into being considered cults was, er, coincidental.
—
David Fear, Rolling Stone, 22 Jan. 2026
So to me, all of this is not a totally coincidental match.
—Lily Ford, HollywoodReporter, 12 Jan. 2026
That feels a little too coincidental, but that’s the story I was told.
—Glenn Garner, Deadline, 8 Jan. 2026
The timing is not coincidental.
—Güney Yıldız, Forbes.com, 7 Jan. 2026
See All Example Sentences for coincidental
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
David Fear, Rolling Stone, 22 Jan. 2026
So to me, all of this is not a totally coincidental match.
—Lily Ford, HollywoodReporter, 12 Jan. 2026
That feels a little too coincidental, but that’s the story I was told.
—Glenn Garner, Deadline, 8 Jan. 2026
The timing is not coincidental.
—Güney Yıldız, Forbes.com, 7 Jan. 2026
See All Example Sentences for coincidental
Cite this Entry
“Coincidental.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/coincidental. Accessed 29 Jan. 2026.
Copy CitationKids Definition
coincidental
adjective
co·in·ci·den·tal
(ˌ)kō-ˌin(t)-sə-ˈdent-ᵊl
1
: resulting from a coincidence
a coincidental resemblance
2
: occurring or existing at the same time
coincidentally
adverb
-ˈdent-lē,
-ᵊl-ē
Love words? Need even more definitions?
Merriam-Webster unabridged
