Inadvertently means without meaning to. Inadvertently deleted, inadvertently revealed, quite inadvertently.
It is the formal apology word and does real work in official statements, since inadvertently concedes the fact and denies the intention in one move. It is heavier than by accident and lighter than by mistake.
1adverbinadvertentlyWithout meaning to.
“I inadvertently sent the email to the whole office instead of just my friend.”
inadvertently is a manner.
Also accepted in games: unintentionally
Medieval Latin
inadvertēns
English
inadvertent
English, today
inadvertently
From inadvertent + -ly. inadvertent Borrowed from Medieval Latin inadvertēns.
Etymology from Wiktionary, CC BY-SA