Synonyms for Coincidence: 30 Useful Words and Examples

You meet a new coworker and learn you grew up on the same street. You both say, “What a coincidence!” Later that day, you say it again in an email. Now the world feels tired.

A coincidence is when two things happen together by chance, with no plan behind them. Finding good synonyms for coincidence helps you sound fresher and more exact. Students, bloggers, content writers, and English learners all benefit from a bigger word bank. Even in daily chats, the right word makes your point clearer.

In this guide, you will find 30 synonyms for coincidence, each with a simple meaning and two real life examples. You will also see which words are exact matches and which are only close.

Chance

Meaning: The most common synonym for coincidence, used for something that happens without a plan or cause.

Examples:

• By chance, we booked the same flight to Dubai.
• I met my old teacher at the market by chance.

Accident

Meaning: An event that happens by chance, without anyone planning it.

Type: Near synonym

Examples:

• It was no accident that we both wore blue.
• We found the café by accident while looking for a bank.

Fluke

Meaning: A surprising event that happens by pure chance, often with a lucky result.

Examples:

• Winning the quiz was a fluke, because I guessed every answer.
• It was a fluke that the power came back right then.

Happenstance

Meaning: Another word for coincidence that means a chance event, often used in a slightly formal way.

Examples:

• Pure happenstance put us in the same line at the bank.
• It was happenstance that our phones rang at the same moment.

Luck

Meaning: Good or bad things that happen to you by chance.

Type: Near synonym

Examples:

• With a bit of luck, we caught the last train.
• It was bad luck that both printers broke on the same day.

Fortuity

Meaning: A chance event, especially a lucky one.

Type: Near synonym (formal)

Examples:

• A fortuity of timing led her to the job listing.
• Some science discoveries come from fortuity, not careful planning.

Serendipity

Meaning: The luck of finding something good when you were not looking for it.

Type: Near synonym (always positive)

Examples:

• Serendipity led me to a great book in a tiny shop.
• Meeting my business partner at a bus stop was pure serendipity.

Synchronicity

Meaning: Events that seem connected in a meaningful way even though one did not cause the other.

Type: Context specific alternative

Examples:

• She felt a strange synchronicity when two friends called her at once.
• Some people see synchronicity in repeating numbers on the clock.

Quirk of fate

Meaning: A strange chance event that feels odd or ironic.

Examples:

• By a quirk of fate, we ended up at the same college years later.
• It was a quirk of fate that the rain stopped just as we arrived.

Twist of fate

Meaning: A sudden, unexpected turn of events caused by chance.

Examples:

• A twist of fate put him in the seat next to his future wife.
• By a twist of fate, a classmate found my lost wallet.

Happy accident

Meaning: A chance event that turns out well.

Examples:

• The cake’s unusual flavor was a happy accident.
• Their startup began as a happy accident in a dorm room.

Lucky break

Meaning: A chance event that brings sudden good fortune.

Type: Near synonym

Examples:

• Her lucky break came when a director saw her video.
• Getting that interview was a lucky break for him.

Stroke of luck

Meaning: A sudden piece of good luck.

Type: Near synonym

Examples:

• Finding a parking spot right outside was a stroke of luck.
• It was a stroke of luck that the shop had one jacket left.

Freak occurrence

Meaning: A very unusual event that happens by chance.

Type: Context specific alternative

Examples:

• Snow in April was a freak occurrence in our town.
• Two lightning strikes in one hour was a freak occurrence.

Random event

Meaning: An event with no pattern, reason, or plan behind it.

Type: Near synonym

Examples:

• Sharing a birthday with a stranger is just a random event.
• The software glitch was a random event, not a design flaw.

Mere chance

Meaning: Nothing but chance, with no hidden reason behind it.

Examples:

• It was a mere chance that we both read the same article.
• Mere chance brought the lost dog back to our street.

Concurrence

Meaning: Two or more events happening at the same time.

Type: Near synonym

Examples:

• The concurrence of two holidays closed every office in the city.
• A concurrence of deadlines made the week stressful.

Simultaneity

Meaning: The fact that two things happen at exactly the same time.

Type: Context specific alternative

Examples:

• The simultaneity of the two alarms confused everyone in the building.
• Engineers check the simultaneity of signals in a network.

Chance occurrence

Meaning: An event that happens by chance rather than by design.

Examples:

• The matching umbrellas were a chance occurrence.
• A chance occurrence helped us find the bug in the code.

Convergence

Meaning: The coming together of separate things at one point.

Type: Near synonym

Examples:

• A convergence of good weather and a free weekend made the trip easy.
• The convergence of two old ideas gave her a new story.

Overlap

Meaning: A shared moment or part between two things.

Type: Context specific alternative

Examples:

• There was an overlap between our meetings, so I missed the start.
• The overlap in our travel dates meant we shared a ride.

Alignment

Meaning: A lucky or neat lining up of events or circumstances.

Type: Context specific alternative

Examples:

• A rare alignment of timing let us catch both buses.
• The alignment of our schedules made planning the trip simple.

Correspondence

Meaning: A close match or similarity between two things.

Type: Near synonym (matching sense)

Examples:

• There was a strange correspondence between their two stories.
• He noticed a correspondence between the dates on both letters.

Congruence

Meaning: A match or fit between two things.

Type: Context specific alternative (formal)

Examples:

• The congruence between her notes and mine was striking.
• The congruence of our travel plans made us laugh.

Agreement

Meaning: A match in ideas, answers, or facts that was not planned.

Type: Context specific alternative

Examples:

• There was surprising agreement in our test answers.
• The agreement between the two reports was a pleasant surprise.

Parallel

Meaning: A similarity between two events, stories, or situations.

Type: Near synonym

Examples:

• There is an odd parallel between their life stories.
• The teacher pointed out a parallel between the two novels.

Chance encounter

Meaning: An unplanned meeting with someone or something.

Type: Context specific alternative

Examples:

• A chance encounter at the airport led to a new job.
• She had a chance encounter with her old neighbor at the pharmacy.

Concomitance

Meaning: The fact of one thing happening along with another.

Type: Context specific alternative (formal)

Examples:

• Researchers noted the concomitance of high sales and the new ad.
• The concomitance of the two outages surprised the IT team.

Blind luck

Meaning: Luck that comes with no skill, effort, or plan.

Type: Near synonym

Examples:

• We found the shop through blind luck.
• He passed the quiz on blind luck alone.

Fortuitous event

Meaning: An event that happens by chance, often with a good result.

Examples:

• Her phone call was a fortuitous event that saved the project.
• Finding a spare key under the mat was a fortuitous event.

Conclusion

Strong writers do not repeat the same word again and again. Now you have 30 synonyms for coincidence to choose from, from everyday picks like chance and luck to formal ones like concurrence. The right word makes emails clearer, essays stronger, and blog posts more fun to read. It also helps you speak with more confidence. Try two or three new words this week in a message, an assignment, or a chat with a friend. Small habits build a big vocabulary.