basined, besieged, boxed, boxed in, boxed-in, capsulate, capsulated, clathrate, closed, closed in, coarctate, confined, embedded, embowered, encircled, enclosed, engulfed, enveloped, enwrapped, fenced, fenced in, fencelike, fogbound, included, involved, penned, self-enclosed, surrounded, swallowed
besieged is a ADJ.