asynchronously
a-syn-chro-nous-ly
adverb
Occurring or operating independently, not at the same time.
"The data will load asynchronously in the background."
Thesaurus
Synonyms: asynchronous, unsynchronous, serial, allochronic, nonsynchronous, anachronic, in series, nonparallel, unsynchronized, anachronistic, anachronous, unsynchronised
Antonyms: synchronal, synchronic, synchronous