Meaning : Suggesting the operation of supernatural influences.
Example :
An eldritch screech.
The three weird sisters.
Stumps...had uncanny shapes as of monstrous creatures.
An unearthly light.
He could hear the unearthly scream of some curlew piercing the din.
Meaning : Strikingly odd or unusual.
Example :
Some trick of the moonlight; some weird effect of shadow.