1. In a terrible manner
   - terribly, awfully, abominably, abysmally, rottenly, appallingly, execrably 
2. To an extravagant or immoderate degree
   "atrociously expensive"
   - outrageously

See also: atrocious

• cantilever
• cantilever bridge
• cantillate
• cantillation
• cantina
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• Canton flannel
• Canton ginger
• Canton River
• cantonal
• Cantonese
• Cantonese dialect
• cantonment
• cantor
• cantref
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• cantus firmus
• canty
• Canuck
• canulate
• canulation
• canulisation