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

• concessionary
• concessioner
• concessive
• conch
• concha
• conchfish
• conchoidal
• conchologist
• conchology
• concierge
• conciliable
• conciliate
• conciliation
• conciliative
• conciliator
• conciliatory
• concinnity
• concise
• concisely
• conciseness
• concision
• conclave
• conclude
• concluded
• concluding