English-Greek translations for clique

A small, exclusive group of individuals, usually according to lifestyle or social status; a cabal
A subgraph isomorphic to a complete graph
A group of related web sites that link to each other, like a webring but with exclusive membership determined by the clique owner
To associate together in a clannish way; to act with others secretly to gain a desired end; to plot

This school used to be really friendly, but now everyone keeps to their own cliques.
The problem of finding the largest clique in an arbitrary graph is NP-complete.

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