1.  ideological(a = adj.pert) - of or pertaining to or characteristic of an orientation that characterizes the thinking of a group or nation;
Derived form noun ideology₁

2.  ideological(s = adj.all) ideologic - concerned with or suggestive of ideas; "ideological application of a theory"; "the drama's symbolism was very ideological"
Derived form noun ideology₂

   concerned with or suggestive of ideas; as, an ideologic argument. [WordNet 1.5]

   Of or pertaining to ideology. [1913 Webster]

ideological barrier