coincidentally

adverb

co·​in·​ci·​den·​tal·​ly (ˌ)kō-ˌin(t)-sə-ˈdent-lē 

-ˈden-tə-lē

1

: in a coincidental manner : by coincidence

lonely singles who meet coincidentally and click

—People

2

: it is or seems coincidental that

coincidentally, the dog died exactly one year after his owner did

Synonyms

• coincidently
• concurrently
• contemporaneously
• simultaneously
• together

Examples of coincidentally in a Sentence

the final stages of the Napoleonic Wars were fought coincidentally with the U.S.-British conflict known as the War of 1812

Recent Examples on the Web

The Cowboys’ final game that season was, coincidentally, at home against Washington. —Saad Yousuf, The Athletic, 5 Jan. 2025

The reason the two don't always sync—and sometime coincidentally do—is based on the two different calendars. —Josh Hammer, Newsweek, 23 Dec. 2024

Now, Ramos is six seasons into his career with the Carolina Panthers (a team that, coincidentally, boasts the league's only Latino-heritage head coach in Dave Canales, as of this writing). —Alan Chazaro, NPR, 21 Dec. 2024

It was inscribed with a wedding date, Dec. 15, 1928, which coincidentally, was the same day Mr. Hall and Ms. Smith were married — 96 years later. —John Otis, New York Times, 20 Dec. 2024

Word History

Etymology

coincidental + -ly entry 2

First Known Use

1837, in the meaning defined at sense 1