Dictionary - shadow

shadow 1 noun an area of darkness that is created when something blocks light: The dogs are always trying to chase their own shadows. [] Even on a bright days, the room was in shadow.

• PHRESES

1. beyond/without a shadow of a doubt used for saying that you are completely ceertain of something
2. in sb's shadow in a situatioin where your own qualities are not niticed or recognized because most people pay attention to someone else: For years, she lived in her father's shadow.

shadow 2 verb to secretly follow someone wherever they go