asynchronous

/eɪˈsɪŋkrənəs/
adjective
  1. Not happening at the same time; not synchronized.
    • The two clocks were asynchronous, showing different times.
    • Asynchronous online classes let students watch lectures at their own pace.
    • Asynchronous communication, like email, allows people to reply when convenient.
  2. In computing, describing operations that do not require waiting for a previous operation to complete before starting.
    • The app uses asynchronous requests to fetch data from the server in the background.
    • Asynchronous programming allows a website to load images without freezing the page.
    • In asynchronous processing, multiple tasks can run independently.
Antonyms
What does "asynchronous" mean? | whatsthatwordmean | whatsthatwordmean