monolithic
[adjective]
Synonyms: huge, colossal, impenetrable, intractable, massive, monumental, solid

[TahlilGaran] English Synonym Dictionary ▲

mon‧o‧lith‧ic /ˌmɒnəˈlɪθɪk◂ $ ˌmɑː-/ adjective

1. a monolithic building is very large, solid, and impressive

2. a monolithic organization, political system etc is very large and powerful and difficult to change:
a monolithic movie company

[TahlilGaran] Dictionary of Contemporary English ▲