1) Corrupt 2) Difficult and distasteful 3) Difficult and unpleasant 4) Extremely dirty and corrupt 5) Extremely filthy 6) Filthy 7) Like certain stables 8) Like some mythical stables 9) Like some stables of myth 10) Like stables of myth 11) Mythically filthy 12) Stables cleaned by Hercules 13) Stables of myth 1) Corrupt 
filthy; difficult
• (a.) Hence: Exceedingly filthy or corrupt. • (a.) Of or pertaining to Augeus, king of Elis, whose stable contained 3000 oxen, and had not been cleaned for 30 years. Hercules cleansed it in a single day.
Au·ge'an adjective 1. (Class. Myth.) Of or pertaining to Augeus, king of Elis, whose stable contained 3000 oxen, and had not been cleaned for 30 years. Hercules cleansed it in a single day. 2. Hence: Exceedingly filthy or corrupt. Augean stable (Fig.), 
[adj] - extremely dirty and corrupt
adjective extremely filthy from long neglect
resembling the Augean stables in filthiness or degradation. · difficult and unpleasant: an Augean chore.