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.

adjective

shaded , blear , bleary , cloudy , dim , faint , foggy , fuzzy , hazy , indefinite , indistinct , misty , obscure , undistinct , vague , adumbral , chimerical , dark , dreamy , ghostly , illusory , imaginary , shady , umbral , unsubstantial , visionary