Turkey blue adjective 2noun 2forms 3 adjective2 •(no longer used) Dyed Turkey blue. •(no longer used) Colored Turkey blue or (inexact) a similarly deep blue. noun2 •(no longer used) A deep blue obtained by careful application of indigo dye to silk.The blues are divided by dyers into five, light blue, sky blue, middle blue, king's blue, Turkey blue. The two last require a previous ground of archil. — 1815 •(no longer used) An item dyed Turkey blue.The bales for the Tunis market should be assorted as under... 9 pieces Turkey blues [per] 50 pieces... — 1818 formsTurkey blues · more Turkey blue · most Turkey blue