shadow (Noun) — Shade within clear boundaries.
shadow (Noun) — An unilluminated area. ex. "he moved off into the shadow"
shadow (Noun) — Something existing in perception only. ex. "a ghostly shadow at midnight"
shadow (Noun) — A premonition of something adverse. ex. "a shadow over his happiness"
shadow (Noun) — An indication that something has been present. ex. "there wasn't a shadow of evidence for the claim"
shadow (Noun) — Refuge from danger or observation. ex. "he felt secure in his father's shadow"
shadow (Noun) — A dominating and pervasive presence. ex. "he received little recognition working in the shadow of his father"
shadow (Noun) — A spy employed to follow someone and report their movements.
shadow (Noun) — An inseparable companion. ex. "the poor child was his mother's shadow"
shadow (Verb) — Follow, usually without the person's knowledge. ex. "The police are shadowing her"
shadow (Verb) — Cast a shadow over.
shadow (Verb) — Make appear small by comparison. ex. "This year's debt shadows that of last year"