Odd
Peculiar
Yes, "weird" means something that is strange, unusual, or out of the ordinary.
You may mean 'kinky' - this means a bit weird and strange.
* unusual * oddly / odd * weird / weirdly * suspicious / suspiciously
strange!
Abnormal
No, weird is an adjective, a word that describes a noun. There is an archaic use of weird as a noun, but the meaning of that noun isn't clear. The noun form of weird is weirdness.
strange
weird, uncommon, unusual, strange
Unusual, meaning strange, weird, odd, different, unexpected, etc., is spelled U-N-U-S-U-A-L.
strange range
strange weird unusual
A negative connotation is a descriptive word that implies an undesirable characteristic. A negative connotation of the word strange is the word weird.