[noun] a premonition of something adverse; "a shadow over his happiness"
[noun] an indication that something has been present; "there wasn't a trace of evidence for the claim"; "a tincture of condescension" Synonyms: trace, vestige, tincture
[noun] refuge from danger or observation; "he felt secure in his father's shadow"
[noun] a dominating and pervasive presence; "he received little recognition working in the shadow of his father"
[noun] a spy employed to follow someone and report their movements Synonyms: tail, er
[noun] an inseparable companion; "the poor child was his mother's shadow"
[verb] follow, usually without the person's knowledge; "The police are shadowing her"