DictionaryconcurrenceSimultaneous occurrence
noun

concurrence

The occurrence of events or conditions at the same time.

The concurrence of heavy rain and high tides floods the streets.

Etymology

The Latin verb pictures separate courses running together. Concurrence applies that meeting to events or conditions occupying the same period of time.

More examples

  • The concurrence of two major festivals strains the city's hotels.
  • This study examines the concurrence of anxiety and sleep problems.
  • The meetings' concurrence prevents me from attending both.

Forms

concurrence · concurrences

concurrent adjective — Happening or existing at the same time.

Similar words

simultaneity
Emphasizes exact timing without suggesting any relationship between events.
coincidence
Often suggests a chance overlap rather than simple simultaneity.