C1 adverb /ˌɪn.ədˈvɜːr.tənt.li/
Inadvertently
непреднамеренно; случайно; по ошибке
Meaning
without being aware of what you are doing; unintentionally; by mistake
Example
She inadvertently deleted the important file while cleaning her computer.
Она случайно удалила важный файл, пока чистила свой компьютер.