heathery /ˈhɛðəɹi/adjective 2/ˈhiːθəɹi/ noun 1forms 3 adjective2 •Of, pertaining to, or abundant in heather.From right to left, our path was barred by a frowning rampart of grassy or heathery hills, whose rounded contours broke away here and there into ridge and scarp and cliff. — 1949 •Like or resembling heather. heathery /ˈhiːθəɹi/ noun1 •A place where varieties of heath are grown in a controlled environment. formsheatheries · more heathery · most heathery