adjective.
tending to associate with a small and exclusive group
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adjective.
befitting or characteristic of those who incline to social exclusiveness and who rebuff the advances of people considered inferior
Word Usage
"The 'cliquish', 'clanish', and 'spooky' on-the-job behavior that some have used to characterize LAPD is manifesting itself more and more in the City's fire department."