Of a light or reflective colour, esp. one which may be contrasted with a darker alternative. Of paper: blank, not written or printed upon; †(of a…

Not occupied by visible contents; containing no matter; empty, unfilled. Of paper, etc.: blank, not written on; containing no writing or lettering…

Of paper, etc.: Left white or ‘fair’; not written upon, free from written or printed characters, ‘empty of all marks’ (Johnson); said also of…

Of a page, book, email, etc.: free of printed or written matter; unfilled; blank.

Free from dirt or stains; clean, fresh; cf. foul, adj. 4a. Also of paper: unused, blank. Now rare (archaic in later use).

(un-, prefix1 affix 2.)

Of paper: not written on, blank. Of printers' proofs: free from corrections or alterations. Of a copy of writing, etc.: free from corrections…