Queer, an adjective
1. strange or odd from a conventional viewpoint; unusually different; singular: a queer notion of justice.
2. of a questionable nature or character; suspicious; shady: Something queer about the language of the prospectus kept investors away.
3. not feeling physically right or well; giddy, faint, or qualmish: to feel queer.
Also slang for a male homosexual.