oystery adjective 1noun 1forms 3 adjective1 •Resembling or characteristic of an oyster, especially in color or scent.[…] chairs—their horsehair cushions holding that musty, oystery scent country parlors have—there was fat modern furniture in pastel shades surrounding a glass table supported on wrought-iron scrolls. — 2009 noun1 •(old-fashioned) A fishery for oysters; a place where oysters are kept and grown. formsoysteries · more oystery · most oystery