rotten

Short definition from Wiktionary

Adjective

1. 1
   Of perishable items, overridden with bacteria and other infectious agents.
2. 2
   In a state of decay.
3. 3
   Cruel, mean or immoral.
4. 4
   Bad or terrible.
5. 5
   Of stone or rock, crumbling or friable; in a loose or disintegrated state.
6. 6
   Very drunk, intoxicated.

Adverb

1. 1
   To an extreme degree.