Standoffish

[Tina]

Where one person seems to be a little distant and uncaring another person or thing is there; noninteracting.

[Mark Zuckerberg]

adj., meaning aloof or reserved.

[Donald Trump]

Something your girlfriend says that makes you feel like your an idiot, then you realize its not a word.

[Jessica]

A person who will not join in an orgy and have sex with someone if they ask them.
They are often sain to be a prude and/or to think they are better then them.

[Tracie Lynn]

behaving in a slightly unfriendly and too formal way

[Luis Fok]

Distant and cold in manner; unfriendly.