English Reference
adjective

concurrent

adj.
US /kənˈkɝənt/ UK /kənkˈʌɹənt/ con·cur·rent

  1. 01 C1 Advanced AcademicFormal

    happening or existing at the same time as something else.

    occurring, existing, or done at the same time; simultaneous.

    Simple

    The prison sentences for the two crimes will be concurrent, so he will serve them at the same time.

    In context

    The study found that the rise in local temperatures was concurrent with a significant decrease in annual rainfall over the last decade.

  2. 02 C1 Advanced Technical Computing

    describes computer programs or tasks that run at the same time instead of one after another.

    relating to a system where multiple sequences of operations are executed in overlapping time periods.

    Simple

    The server is designed to handle thousands of concurrent users without slowing down.

    In context

    Implementing concurrent processing allowed the application to perform background data synchronisation while maintaining a responsive user interface.

    Usage

    Often used to describe threads, processes, or users accessing a database.

    parallelmultithreaded
  3. 03 C2 Proficiency Technical Math

    describes lines that all meet or cross at the same point.

    meeting or tending to meet at a single point.

    Simple

    In this triangle, the three medians are concurrent at a single point called the centroid.

    In context

    The architect ensured that the primary structural lines were concurrent at the apex to distribute the weight of the dome evenly.

Usage concurrent deteriorating · concurrent different · concurrent environmental

Others, like Ontario and New Brunswick , have offered one- to two-year post-undergraduate BEd programs, as well as concurrent programs that blend a BEd with another university degree.

Phys.org· 27 Aug 2026

Concurrent to the ecoacoustic data, we conducted traditional soil biodiversity sampling, scooping up large and tiny soil-dwelling animals, such as earthworms, ants, woodlice, millipedes, beetles and insect larvae.

Aeon· 17 Aug 2026

From Middle English concurrent, from Old French concurrent, from Latin concurrēns, present active participle of concurrō (“happen at the same time”), from con- (“with”) + currō (“run”).

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin Latin concurrēns
Level C1 · Advanced
Frequency Frequent
Updated