moony /ˈmuni/adjective 5noun 2forms 3 adjective5 •Resembling the Moon.Her white throat whiter than a moony pearl / Just threaded with a blue vein’s tapestry / Had not yet ceased to throb, and still her breast / Swayed like a wind-stirred lily in ambiguous unrest. — 1881 •(figurative) Absent-minded; easily distracted; daydreaming. •(figurative) Silly; sentimental; mooning over something.We're facing the second baddest ship in the known universe and our AI is making moony eyes at Mr. Tall, Spark, and Handsome! — 2001 •Moonlit.And oft at midnight’s moony scene A faded form of ghastly mien Across the waves doth glide; And oft upon the passing gales A plaintive voice the ear assails, When wand’ring by the tide. — 1816 •Sickly or tipsy. noun2 •(slang) The act of mooning, flashing the buttocks.She was doing a moony. •(old-fashioned) A silly person. formsmoonies · moonier · mooniest