Thesaurus.com
Dictionary.com
Definitions

coincidentally

ADVERB
jointly
Synonyms
STRONGEST
accordingly collectively cooperatively in tandem mutually simultaneously together unitedly
STRONG
conjointly
WEAK
agreeably alike arm in arm combined companionably concomitantly concurrently connectedly en masse hand in glove hand in hand harmoniously in a group in common in company with in concert in conjunction in league in partnership in unison inextricably inseparably intimately reciprocally side by side similarly synchronically with one another
Antonyms
WEAK
singly
ADVERB
synchronously
Synonyms
WEAK
all at once all together as one at one fell swoop closely collectively combined commonly concertedly concomitantly concurrently conjointly contemporaneously en masse hand in glove hand in hand in a body in concert in cooperation in one breath in sync in tandem in unison jointly mutually on the beat side by side simultaneously synchronically unanimously unitedly with one accord with one voice with the beat
ADVERB
together
Synonyms
STRONGEST
closely collectively in tandem jointly simultaneously
STRONG
unitedly
WEAK
all together as one at one fell swoop combined commonly concertedly concomitantly concurrently conjointly contemporaneously en masse hand in glove hand in hand in a body in concert in cooperation in one breath in sync in unison mutually on the beat side by side synchronically unanimously with one accord with one voice with the beat
Antonyms
WEAK
apart individually separately

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.

They recall those August days in Washington, where Ukrainian specialists had come to demonstrate their expertise and had simulated, coincidentally, an Iranian attack on Qatar.

From The Wall Street Journal • Mar. 18, 2026

The director showed up at the very end of the Olympics, coincidentally just in time for the gold medal match.

From Salon • Feb. 23, 2026

Funnily enough, I recently said something similar about Amanda Seyfried, who coincidentally had a 2025 that mirrored Fanning’s.

From Salon • Jan. 24, 2026

Not coincidentally, dynamic real enterprise often plays by looser, “fake it till you make it” rules.

From Barron's • Jan. 2, 2026

It was probably worse than Cindy Sindy leaving, too, which coincidentally happened earlier that same year.

From "Please Ignore Vera Dietz" by A.S. King