If you describe something or someone as weird, you mean that they are strange. He's different. He's weird Drugs can make you do all kinds of weird things It must be really weird to be rich. very strange and unusual, and difficult to understand or explain (weird (11-18 centuries), from wyrd)
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