shadow - noun

shade within clear boundaries

an unilluminated area

something existing in perception only

a premonition of something adverse

an indication that something has been present

refuge from danger or observation

a dominating and pervasive presence

a spy employed to follow someone and report their movements

an inseparable companion

shadow - verb

• follow, usually without the person's knowledge
• cast a shadow over
• make appear small by comparison

shadow - thesaurus

apparition   dark   darkness   dwarf   fantasm   overshadow   phantasm   phantasma   phantom   shade   shadower   tail   tincture   trace   vestige