rotten rotten /ˈrɑːtən/

adjective

1. () Very bad  ( crappy [Vulgar] , icky [Informal] , shitty [Vulgar] , lousy [Informal] , rotten , stinking , stinky [Informal] )
   very bad
    A lousy play
   a lousy play
    It's a stinking world
   it's a stinking world
   
2. Having decayed or disintegrated; usually implies foulness  ( rotten )
   having decayed or disintegrated; usually implies foulness
    Dead and rotten in his grave
   dead and rotten in his grave
   
3. Damaged by decay; hence unsound and useless  ( decayed , rotted , rotten )
   damaged by decay; hence unsound and useless
    Rotten floor boards
   rotten floor boards
    Rotted beams
   rotted beams
    A decayed foundation
   a decayed foundation