abysmal abysmal /ˈæbɪzməl/

adjective

1. Resembling an abyss in depth; so deep as to be unmeasurable  ( abysmal , abyssal , unfathomable )
   resembling an abyss in depth; so deep as to be unmeasurable
    The abyssal depths of the ocean
   the abyssal depths of the ocean
   
2. Very great; limitless  ( abysmal )
   very great; limitless
    Abysmal misery
   abysmal misery
    Abysmal stupidity
   abysmal stupidity