sepian /ˈsiːpiən/adjective 3noun 1forms 3 adjective3 •(old-fashioned) Of a dark or inky colour, often in reference to skin pigmentation.Randomly selecting a fruit fly with sepian (dark brown) eyes — 2010 •(US, old-fashioned) Belonging to or pertaining to black Americans or African Americans, who typically have dark pigmentation of the skin.Nineteenth century sepian musicals included Sam T. Jack's "Creoles" -1890... — 1941 •(no longer used) Of the sepia, i.e. the cuttlefish. noun1 •(US, old-fashioned) A black American or African American. formssepians · more sepian · most sepian