IPA: /əˈtroʊʃəsli/
KK: /əˈtroʊʃəsli/
In a very bad or unpleasant way; extremely poorly.
The movie was atrociously bad, and I couldn't finish watching it.
Atrociously → It is formed from "atrox" (from Latin, meaning cruel or savage) and the suffix "-ious" (meaning full of or characterized by). The word "atrociously" means in a manner that is full of cruelty or savagery.
Think of the Latin word for cruel, 'atrox', to remember that 'atrociously' describes something done in a cruel or savage way.