Thesaurus.com
Dictionary.com
Showing results for by coincidence.
Definitions

by coincidence

ADVERB
by chance
Synonyms
WEAK
accidentally as luck would have it by a fluke by mistake for some reason fortuitously out of the clear blue sky unexpectedly unintentionally unwittingly
ADVERB
unexpectedly
Synonyms
STRONGEST
accidentally
STRONG
circumstantially
WEAK
fortuitously
Antonyms
WEAK
advisedly deliberately intentionally normally obviously predictably regularly

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Another possibility is that some early dinosaurs happened to have feet that closely resembled bird feet by coincidence.

From Science Daily • Feb. 1, 2026

And by coincidence, the Hurricanes will be playing for the championship at home at Hard Rock Stadium in South Florida.

From The Wall Street Journal • Jan. 10, 2026

Purely by coincidence, 1990 is when “Boots” begins.

From Salon • Oct. 10, 2025

And whether by coincidence or coordination, a month after Clark joined the league, commissioner Cathy Engelbert announced teams would be traveling by charter flights this season.

From Los Angeles Times • May 20, 2024

The evidence is circumstantial, but it’s hard to imagine that Sapiens, just by coincidence, arrived in Australia at the precise point that all these animals were dropping dead of the chills.

From "Sapiens: A Brief History of Humankind" by Yuval Noah Harari