coincidence
B2Pronunciation
UK
- /kəʊˈɪnsɪdəns/
US
- /koʊˈɪnsɪdəns/
Description
- unexpected event alignment
- chance happening
- unrelated events
- unusual connection
A coincidence is when two or more separate events happen in an unexpected way and seem linked, even though they are not connected by cause and effect. It can feel personal and meaningful, like running into an old friend by surprise, but more often it's just chance.
Think about dreaming of a specific song, then hearing it on the radio a few minutes later. Or imagine meeting a stranger who is wearing the same odd T-shirt style as you. Coincidences can be funny, touching, or even creepy, but they are usually just random moments that make us pause and wonder.
A coincidence is a striking concurrence of events or circumstances that appear related but usually have no direct causal link. It happens when separate happenings line up in ways that seem meaningful or surprising, often making people feel the moment was unlikely.
For example, imagine thinking about someone you haven't heard from in years, and then receiving a call from them soon after. That is a coincidence because the events are close in time, but neither event causes the other. In daily life, this can also be as small as finding a twenty-dollar bill in your coat pocket and then needing exactly twenty dollars for a purchase.
In larger examples, two people might independently reach the same idea at almost the same time, or two strangers may notice shared details in their lives that feel oddly connected. These moments can spark curiosity and “what are the odds?” conversations.
The idea of coincidence appears often in stories and films too. Writers use it as a plot device to join timelines, create surprise, or build tension. In real life, though, it is usually best to remember that patterns are common in a large and random world, and what feels remarkable may simply be one of life’s random alignments.
Examples
- 1
Chance meeting
We met on the train by coincidence after not seeing each other for years.
Phrase
by coincidence
by chance, not because it was planned
- 2
Shared clothing
It was a strange coincidence that we were both wearing the same jacket.
- 3
Conversation surprise
What a coincidence! I was just about to call you.
- 4
Planned timing
The timing wasn't a coincidence; they had planned the announcement for weeks.
- 5
Hidden reason
It's no coincidence that the cheapest flights leave very early in the morning.
Pattern
it's no coincidence that + clause
there is a clear reason for it
Forms and spellings
2 forms open this card.
Main spelling
- coincidencenoun
Forms
- coincidencespluralnoun