terrible

Synonyms: abhorrent appalling atrocious awe-inspiring awesome awful beastly dangerous desperate dire disastrous disturbing dread dreaded dreadful extreme fearful frightful ghastly gruesome harrowing hateful hideous horrendous horrid horrifying inconvenient loathsome monstrous obnoxious odious offensive petrifying poor repulsive revolting rotten serious severe shocking unfortunate unnerving unpleasant unwelcome vile

Antonyms: good great nice wonderful