adj. 25B6; adjective (informal) some of the teaching was abysmal : VERY BAD, dreadful, awful, terrible, frightful, atrocious, disgraceful, deplorable, shameful, hopeless, lamentable, laughable; informal rotten, appalling, crummy, pathetic, pitiful, woeful, useless, lousy, dire, poxy, the pits; Brit. informal chronic, shocking.
ABYSMAL
Meaning of ABYSMAL in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012