standoffish

adj

1. Aloof; reserved; unsociable and unfriendly.

   “He was stand-offish with the other agents. They on their side said he was the manager’s spy upon them.”

   “His initial impression was that he was a bit standoffish or not over effusive […]”

   “They were always a haughty family, stand-offish in a way, as they've a right to be.”