un·filed \“+\adjective Etymology: in sense 1, from un- (I) + filed, past participle of file (to rub); in sense 2, from un- (I) + filed, past participle of file (to arrange) 1.archaic: not smoothed : unpolished < my rude unfiled apology — George Wither > 2.: not placed on file or in a file < several unfiled documents >