weird

adjectives

suggesting the operation of supernatural influences

"an eldritch screech"; "the three weird sisters"; "stumps...had uncanny shapes as of monstrous creatures"- John Galsworthy; "an unearthly light"; "he could hear the unearthly scream of some curlew piercing the din"- Henry Kingsley

eldritch, uncanny, unearthly, weird

is derived from

weirdness

strikingly odd or unusual

"some trick of the moonlight; some weird effect of shadow"- Bram Stoker

weird

is derived from

weirdness

is similar to

being definitely out of the ordinary and unexpected; slightly odd or even a bit weird

"a strange exaltation that was indefinable"; "a strange fantastical mind"; "what a strange sense of humor she has"

strange, unusual