Atrocious
Definition 1 of 3
Pro Tip 1/3
Strong Disapproval
Use 'atrocious' to strongly express that something is of very poor quality. He has atrocious handwriting; it's almost unreadable.
Pro Tip 2/3
Beyond Unpleasant
'Atrocious' means it's worse than just bad; it's shockingly bad. The performance was so atrocious that people left halfway through.
Pro Tip 3/3
Not for Opinions
Avoid using 'atrocious' for opinions; it's mostly for objective assessments. Calling her taste in music atrocious is too harsh; it's just different.