Also found in: Encyclopedia, Wikipedia.


A file of character strings that are matched against incoming email or posts on electronic forums to eliminate items that one does not want to receive.
References in periodicals archive ?
Farnsworth introduced John Smith in Killfile (William Morrow, 2016), and his second outing is every bit as good as the debut novel.
When you killfile another participant, their posts are invisible to you.
Unfortunately there's nothing to prevent people using handles, out of spite, from changing their handles once they feel that too many others have added them to their killfiles, a phenomenon called "nym shifting.