1. (adverb) in a hideous manner

• hideously
• horridly

2. (adverb) in a terribly evil manner

• heinously

3. (adverb) in a grotesque manner

• grotesquely

1. (adverb) in a hideous manner

• grotesque
• monstrous
• hideous
• repulsive
• hideous
• horrid
• horrific
• outrageous

2. (adverb) in a terribly evil manner

• atrocious
• flagitious
• grievous
• monstrous
• flagitious
• heinous

3. (adverb) in a grotesque manner

• grotesque
• grotesque
• monstrous
• monstrous