abysmal: \ə-ˈbiz-məl, a-\

profound ;immeasurably low

Abysmal conditions of the poor is unbearable.

abyssal: \ə-ˈbi-səl\

of or relating to the bottom waters of the ocean depth; unfathomable.

The present world politicians should try to bridge the abyssal gap between' the haves & the have- nots' .