Hence, dark; obscure; gloomy; dim.
Not brightly luminous; faintly light.
Faintly representative; hence, typical.
Unsubstantial; unreal; as, shadowy honor.
lacking clarity or distinctness; "a dim figure in the distance"; "only a faint recollection"; "shadowy figures in the gloom"; "saw a vague outline of a building through the fog"; "a few wispy memories of childhood"
lacking in substance; "strange fancies of unreal and shadowy worlds"- W.A.Butler; "dim shadowy forms"; "a wraithlike column of smoke"