Abysmal vs. Boundless — What's the Difference?

Difference Between Abysmal and Boundless
Definitions
Abysmal➦
Abysmal is the seventh studio album by American death metal band The Black Dahlia Murder. It was released on September 18, 2015 through Metal Blade Records.
Boundless➦
Being without boundaries or limits; unlimited
Boundless ambition.
Boundless joy.
Abysmal➦
Resembling an abyss in depth; unfathomable.
Boundless➦
Without bounds, unbounded.
Abysmal➦
Very profound; limitless
Abysmal misery.
Boundless➦
Without bounds or confines; illimitable; vast; unlimited.
Abysmal➦
Very bad
An abysmal performance.
Boundless➦
Seemingly boundless in amount, number, degree, or especially extent;
Unbounded enthusiasm
Children with boundless energy
A limitless supply of money
Abysmal➦
Pertaining to, or resembling an abyss.
Abysmal➦
(figurative) extremely bad; terrible.
Abysmal➦
Pertaining to, or resembling, an abyss; bottomless; unending; profound.
Geology gives one the same abysmal extent of time that astronomy does of space.
Abysmal➦
Very great; limitless;
Abysmal misery
Abysmal stupidity
Abysmal➦
So deep as to be unmeasurable;
The abyssal depths of the ocean