Atrocious/əˈtrəʊʃəs/ Definition 1 of 3Pro Tip 1/3Strong Disapproval Use 'atrocious' to strongly express that something is of very poor quality. He has atrocious handwriting; it's almost unreadable. Pro Tip 2/3Beyond 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 3/3Not 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.