shadow
     n 1: shade within clear boundaries
     2: an unilluminated area; "he moved off into the darkness"
        [syn: {darkness}, {dark}]
     3: something existing in perception only; "a ghostly apparition
        at midnight" [syn: {apparition}, {phantom}, {phantasm}, {phantasma}]
     4: a premonition of something adverse; "a shadow over his
        happiness"
     5: an indication that something has been present; "there wasn't
        a trace of evidence for the claim"; "a tincture of
        condescension" [syn: {trace}, {vestige}, {tincture}]
     6: refuge from danger or observation; "he felt secure in his
        father's shadow"
     7: a dominating and pervasive presence; "he received little
        recognition working in the shadow of his father"
     8: a spy employed to follow someone and report their movements
        [syn: {tail}, {shadower}]
     9: an inseparable companion; "the poor child was his mother's
        shadow"
     v 1: follow, usually without the person's knowledge; "The police
          are shadowing her"
     2: cast a shadow over [syn: {shade}, {shade off}]
     3: make appear small by comparison; "This year's debt dwarves
        that of last year" [syn: {overshadow}, {dwarf}]
Source: WordNet® 2.0