IPA: /ˈhɛðəri/
KK: /ˈhiːðəri/
Having characteristics or qualities similar to heather, often referring to a color or appearance that resembles the plant.
The landscape was beautiful, with heathery hues covering the hills.
Heathery is derived from "heath" (from Old English *hæth*, meaning a tract of open uncultivated land) and the suffix "-ery" (meaning a place associated with or characterized by). The word "heathery" describes a place characterized by heathland or covered with heather plants.
Picture a landscape filled with open, uncultivated land ('heath') that is rich with heather plants, and remember that 'heathery' describes such a place.