39 synonyms for network such as maze, criss-cross, bush telegraph, jungle, and labyrinth. Network is a noun, and its antonyms are isolation and disconnection.
Criss-cross, filigree, fretwork, graticule, grid, lattice, latticework, matrix, mesh, meshwork, net, openwork, plexus, réseau, rete, reticulation, reticule, reticulum, tracery, trellis, web, webbing, and webwork.
Bush telegraph, complex, complex system/arrangement, grapevine, neural net, nexus, old boy network, system, the old school tie, and web.
Jungle, labyrinth, maze, tangle, and warren.