late 14c., shadewy, "full of shadows," also "transitory, fleeting, unreal;" see shadow (n.) + -y (2). From 1797 as "faintly perceptible." Related: Shadowiness. Old English had sceadwig "shady."
we sat on rocks in a shadowy cove
shadowy figures in the gloom
dim shadowy forms
shadow boxing
shadow-box
shadow-figure
shadowland
shadowless
shadowy
Shadrach
shady
Shafi'i
shaft
shag
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