abysmal

adj. of or pertaining to an abyss, immeasurable, bottomless; terrible, very bad

Adjective
1. very great; limitless; "abysmal misery"; "abysmal stupidity"
(similar) immeasurable, unmeasurable, immensurable
2. so deep as to be unmeasurable; "the abyssal depths of the ocean"
(synonym) abyssal, unfathomable
(similar) deep

(a.)
Pertaining to, or resembling, an abyss; bottomless; unending; profound.
  

adj.
عميق , اتھاہ , ژرف

n.
اتھاہ , پاتال , عالم اسفل , تحت الثري , قعر , غار , عمق , گھاٹي يا کھڈا
abysmal ignorance (complete lack of knowledge)
پرلے درجے کي جھالت

Synonyms and related words:
Atlantean, Brobdingnagian, Cyclopean, Gargantuan, Herculean, Homeric, abyssal, appalling, astronomic, awful, bottomless, cavernous, colossal, deep as hell, dreadful, elephantine, enormous, epic, fathomless, gaping, giant, giantlike, gigantic, heroic, huge, illimitable, immense, infinite, jumbo, mammoth, mighty, monster, monstrous, monumental, mountainous, plumbless, plunging, prodigious, profound, soundless, stupendous, terrible, titanic, towering, tremendous, unfathomable, unfathomed, unsounded, vast, without bottom, yawning