COINCIDENTAL Synonyms: 44 Similar and Opposite Words

coincidental

adjective

(ˌ)kō-ˌin(t)-sə-ˈden-tᵊl

Definition of coincidental

as in coincident

existing or occurring at the same period of time the nearly coincidental deaths of Princess Diana and Mother Teresa

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

as in attending

present at the same time and place claims a connection between the proliferation of fast-food restaurants and the coincidental surge in the rate of obesity

Synonyms & Similar Words

Antonyms & Near Antonyms

Example Sentences

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.

Recent Examples of coincidental Ultimately, GLP-1s are turning out to be metabolic and inflammatory drugs that happen to cause weight loss, rather than weight loss drugs with a long list of coincidental improvements. — Jesse M. Pines, Forbes.com, 10 Aug. 2026 Part of this is coincidental; cultural norms and infant survival rates changed dramatically over the course of the twentieth century. — Literary Hub, 10 Aug. 2026 Furthermore, a lot of astronomy is conducted around the hydrogen frequency, so there's a good chance of a coincidental SETI detection. — Keith Cooper, Space.com, 4 Aug. 2026 The men’s and women’s national teams have had different experiences within their federation, but their emerging epoch is not coincidental. — Tamerra Griffin, New York Times, 20 July 2026 See All Example Sentences for coincidental

Recent Examples of Synonyms for coincidental

Adjective

Accelerating human evolution coincident with the development of agriculture increased redheadedness and decreased male-pattern baldness.

— Ann Manov, Harpers Magazine, 23 June 2026
In a separate announcement, but with coincident timing, WestJet also announced a stopover plan in Calgary.

— Don Tse, Forbes.com, 23 June 2026

Definition of coincident

Adjective

By the next day, the memo and an accompanying statement from spokesperson Sean Parnell had been removed.

— Idrees Ali, USA Today, 3 Sep. 2026
The letter from Blumenthal and an accompanying summary of the whistleblower’s statements says the Postal Service began work on the portal on June 15 and stopped on June 25 after Talwani’s initial order.

— Nicholas Riccardi, Los Angeles Times, 1 Sep. 2026

Definition of accompanying

Adjective

The tool kit suggests states use concurrent review to compare delivered hours against authorized hours and test whether intensity still tracks progress.

— JP Montoya, Forbes.com, 2 Sep. 2026
The departures come as Phillips prepares for its upcoming fall sales, to launch in London in October, concurrent with Frieze Week.

— News Desk, Artforum, 31 Aug. 2026

Definition of concurrent

Adjective

Nearly 80 years later, New Jersey remains a lone holdout, legally locking in thousands of attendant jobs.

— Jason Dressel, Fortune, 10 Aug. 2026
Cyclosporiasis, and the attendant time burden for parents that comes with it, can be directly linked to recent pullbacks in the food safety system that has kept us safe for decades.

— Corinne Low, Time, 7 Aug. 2026

Definition of attendant

Adjective

Amanda Kocon, Edmentum's chief strategy and operating officer, said the interface looks like an online college course where students work through activities and videos, with options for synchronous instruction through video calls and office hours.

— Lucy Tobier, IndyStar, 18 Aug. 2026
North Carolina is also home to synchronous fireflies, another bioluminescent species that lights up on land.

— Charlotte Observer, Charlotte Observer, 12 Aug. 2026

Definition of synchronous

Adjective

Pennsylvania measles infections are approaching 500 cases, with two associated deaths reported in Lancaster County.

— Finch Walker, USA Today, 28 Aug. 2026
Another search of Davis’ associated home turned up a Monte Carlo receipt for the time Shakur was killed.

— Richard Winton, Los Angeles Times, 26 Aug. 2026

Definition of associated

Browse Nearby Words

coincident

coincidental

coincidentally

See all Nearby Words

Cite this Entry

Style

“Coincidental.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/coincidental. Accessed 5 Sep. 2026.

Copy Citation

Synonyms of coincidental

adjective

Example Sentences

Browse Nearby Words

Cite this Entry

More from Merriam-Webster

Word of the Day

matriculate

Popular in Grammar & Usage

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

A List of Most Commonly Confused Words

Why do we use apostrophes to show possession?

Is it 'nerve-racking' or 'nerve-wracking'?

What's the difference between 'fascism' and 'socialism'?

Popular in Wordplay

The Longest Long Words List

Stay Woke

Ye Olde Nincompoop: Old-Fashioned Words for 'Stupid'

14 Phobias You Probably Haven't Heard Of

The Words of the Week - Sept. 4

Popular

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

The Longest Long Words List

Stay Woke

Games & Quizzes