If you refer to an organization or system as monolithic, you are critical of it because it is very large and very slow to change, and does not seem to have different parts with different characters.
例句
...an authoritarian and monolithic system.龐大僵化的獨(dú)裁體制
ADJ-GRADED
龐大而無(wú)特點(diǎn)的;巨大而單調(diào)的
If you describe something such as a building as monolithic, you do not like it because it is very large and plain with no character.