unblue verb 2adjective 1forms 4 verb2 •(literary, rare) To cease being blue.Blue at some distances unblues, […] — 2006 •(literary, rare) To cause (something) to cease being blue; to make (something) not blue.[…] to clothe bodies surprised by bullets, to unblue hands frozen in ditches, […] — 1987 adjective1 •Not blue.[…] a god in an unblue sky. — 1992 formsunblued · unblueing · unbluing · unblues