say it: uh-BIZ-muhl
abysmal is an adjective meaning "very great; limitless". It carries 2 recorded senses.
resembling an abyss in depth; so deep as to be unmeasurable
“the abyssal depths of the ocean”
Definitions, synonyms and semantic relations for abysmal come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.