downy /ˈdaʊni/adjective 3noun 2forms 3 adjective3 •Having down, covered with a soft fuzzy coating as of small feathers or hair.The chick's downy coat of feathers formed almost immediately to keep it warm. •(UK) Low-spirited; down in the mouth. •(slang, old-fashioned) Sharp-witted, perceptive.The right hon. Gentleman has much more claim to the adjective downy than I have, but he really cannot catch me with that one. — 1947 noun2 •A blanket filled with down; a duvet.Went to bed with 2 downies on the bed, but the heat finally kicked in and ended with one cover and my feet sticking out. — 2013 •(slang, old-fashioned) A bed.to do the downy (i.e. lie in bed) formsdownies · downier · downiest