Definitions
1.NounA small, exclusive group of individuals, usually according to lifestyle or social status; a cabal."This school used to be really friendly, but now everyone keeps to their own cliques."
2.NounA subgraph isomorphic to a complete graph."The problem of finding the largest clique in an arbitrary graph is NP-complete."
3.NounA group of related web sites that link to each other, like a webring but with exclusive membership determined by the clique owner.
4.NounA shortened form of the Skeleton Clique, the fan base of the Twenty One Pilots.
5.VerbTo associate together in a clannish way; to act with others secretly to gain a desired end; to plot.
6.Proper nounAlternative letter-case form of Clique.