shade within clear boundaries
"The tree cast a sharp shadow across the picnic table, creating distinct patches of light and dark on the blanket."
a dominating and pervasive presence
"he received little recognition working in the shadow of his father"
A dark image projected onto a surface where light (or other radiation) is blocked by the shade of an object.
"The tall oak tree cast a long, shifting shadow across the playground when the afternoon sun dipped low behind the clouds."
In plain English: A shadow is the dark shape you see on the ground when an object blocks sunlight from reaching it.
"The tall tree cast a long shadow across the garden."
Usage: Use "shadow" to describe the dark shape formed when an object blocks light from reaching a surface. It refers specifically to the visible silhouette created by this obstruction, not merely any darkness or dimness.
To shade, cloud, or darken.
"The thick clouds cast a shadow over the entire valley, making it feel suddenly cooler and darker."
In plain English: To cast a shadow means to block light so that a dark shape appears on something behind you.
"The large tree casts a long shadow over the playground during the afternoon."
Usage: Use "shadow" as a verb when describing something that blocks light and creates darkness, such as clouds shadowing the sun. Do not use it to mean following someone secretly; that requires the specific sense of tracking or watching.
Unofficial, informal, unauthorized, but acting as though it were.
"The shadow committee started drafting its own budget without ever asking for official approval from the main board."
In plain English: Shadow describes something that is dark, gloomy, or depressing.
"The dark shadowy corners of the room made me feel uneasy."
Usage: Use shadow as an adjective to describe something unofficial or unauthorized that acts with the authority of its official counterpart, such as a shadow director or shadow government. Reserve this specific usage for contexts involving people or organizations operating in parallel to formal structures without legal recognition.
A surname.
"At the local library's book club meeting, Sarah introduced her friend Shadow from down the street who had just moved into the neighborhood."
The word "shadow" comes from Old English sċeadu, originally meaning darkness or protection. It traveled into Middle and Modern English with its core sense of a dark area caused by an object blocking light.