shadowy

filled with shade

• “the shady side of the street”
• “the surface of the pond is dark and shadowed”
• “we sat on rocks in a shadowy cove”
• “cool umbrageous woodlands”

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”