Main Entry: 2weird
Function: adjective
Date: 15th century
1 : of, relating to, or caused by witchcraft or the supernatural : MAGICAL
2 : of strange or extraordinary character : ODD, FANTASTIC - weird·ly adverb
- weird·ness noun
synonyms WEIRD, EERIE, UNCANNY mean mysteriously strange or fantastic. WEIRD may imply an unearthly or supernatural strangeness or it may stress queerness or oddness . EERIE suggests an uneasy or fearful consciousness that mysterious and malign powers are at work . UNCANNY implies disquieting strangeness or mysteriousness .
Courtesy of
m-w.com
I'd say: freakish or queer. Preferring - egomaniacal, psychotic, pathological