Oxford Advanced American Dictionary

Definition of shadow noun from the Oxford Advanced Learner's Dictionary

Oxford3000

shadow

noun
shadow pronunciation English ˈʃædəʊ shadow pronunciation American ˈʃædoʊ
 
 

dark shape

1 [countable] the dark shape that somebody/something's form makes on a surface, for example on the ground, when they are between the light and the surfaceThe children were having fun, chasing each other's shadows.The ship's sail cast a shadow on the water.The shadows lengthened as the sun went down. (figurative) He didn't want to cast a shadow on (= spoil) their happiness.
 

darkness

2 [uncountable] also shadows [plural] darkness in a place or on something, especially so that you cannot easily see who or what is thereHis face was deep in shadow, turned away from her.I thought I saw a figure standing in the shadows.
 

small amount

3 [singular] shadow of something a very small amount of something
Synonym
hint
A shadow of a smile touched his mouth.She knew beyond a shadow of a doubt (= with no doubt at all) that he was lying.
 

influence

4 [singular] shadow of somebody/something the strong (usually bad) influence of somebody/somethingThe new leader wants to escape from the shadow of his predecessor.These people have been living for years under the shadow of fear.
 

under eyes

5 shadows [plural] dark areas under somebody's eyes, because they are tired, etcShe looked pale, with deep shadows under her eyes.
 

somebody that follows somebody

6 [countable] a person or an animal that follows somebody else all the time
 

something not real

7 [countable] a thing that is not real or possible to obtainYou can't spend all your life chasing shadows.
see also eyeshadow, five o'clock shadow
Idioms

be frightened/nervous/scared of your own shadow

to be very easily frightened; to be very nervous

in/under the shadow of

1 very close toThe new market is in the shadow of the City Hall.2 when you say that somebody is in/under the shadow of another person, you mean that they do not receive as much attention as that personA younger son often lives in the shadow of his elder brother.
more at be a shadow/ghost of your former self at formerUsage notesUsage note: shade / shadowShade [U] is an area or a part of a place that is protected from the heat of the sun and so is darker and cooler: Let’s sit in the shade for a while.A shadow [C] is the dark shape made when a light shines on a person or an object: As the sun went down we cast long shadows on the lawn.Shadow [U] is an area of darkness in which it is difficult to distinguish things easily: Her face was in deep shadow.