adjective, shad·ow·i·er, shad·ow·i·est.
- resembling a shadow in faintness, slightness, etc.: shadowy outlines.
- unsubstantial, unreal, or illusory: shadowy preoccupations.
- abounding in shadow; shady: a shadowy path.
- enveloped in shadow.
- casting a shadow.
- full of shadows; dark; shady
- resembling a shadow in faintness; vague
- illusory or imaginary
- mysterious or secretivea shadowy underworld figure
adj.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.”