abysmal — OET

abysmal

adjective

1 informal some of the teaching was abysmal:

very bad, dreadful, awful, terrible, frightful, atrocious, disgraceful, deplorable, shameful, woeful, hopeless, lamentable, laughable, substandard, poor, inadequate, inferior, unsatisfactory;

informal rotten, appalling, crummy, pathetic, pitiful, useless, lousy, shocking, dire, the pits;

British, informal duff, chronic, a load of pants, pants, poxy;

North American, vulgar slang chickenshit.

▷antonyms superb.

2 abysmal ignorance:

profound, extreme, utter, complete, thorough, deep, endless, immeasurable, boundless, incalculable, unfathomable, bottomless.

abysmal Oxford Dictionary of English