noun ·Moderate ·High school level

Definitions

Noun

1. 1
   Of objects, the property of being coincident; occurring at the same time or place. countable, uncountable
2. 2
   the temporal property of two things happening at the same time wordnet
3. 3
   Of events, the appearance of a meaningful connection when there is none. countable, uncountable

   "That the two writers were born and died on the same day is just a coincidence, although there are many conspiracy theories about it."

4. 4
   the quality of occupying the same position or area in space wordnet
5. 5
   A coincidence point. countable, uncountable

Show 2 more definitions

6. 6
   an event that might have been arranged although it was really accidental wordnet
7. 7
   A fixed point of a correspondence; a point of a variety corresponding to itself under a correspondence. countable, uncountable

Synonyms

All synonyms

concurrenceaccidentaccompanimentaccordaccordanceaffinity

Antonyms

All antonyms

mutually exclusive

Example

More examples

"It was sheer coincidence that Mary and I were on the same train."

Etymology

From Middle French coincidence (French coïncidence). By surface analysis, coincide + -ence.

Related phrases

Lefschetz coincidence theoremanthropic coincidencecoincidence methodcoincidence pointcoincidence techniquecoincidence theoristcoincidence theorydivine coincidenceindex of coincidencecoincidence point

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.