Added 10 October 2026 asynchronous /eɪˈsɪŋ.kɹə.nəs/ adjective Categories: Describing WordsRare Words adjective ! Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about asynchronous at Wordnik → Where our words come from → Not synchronous; occurring at different times. Allowing the node, program or thread of interest to continue during processing. Having many actions occurring at a time, in any order, without waiting for each other. Related Words: unsynchronizedunsynchronousnonsynchronousnonparallelanachronicanachronisticanachronousserialallochronicsynchronousasyncuncoordinated Back to today's word