1. In a stupid manner
   - densely, obtusely 
2. In an inarticulate manner
   "I nodded dumbly and he slit the envelope"

See also: dumb

• freewoman
• freezable
• freeze
• freeze down
• freeze off
• freeze out
• freeze-dried
• freeze-dry
• freeze-drying
• freezer
• freezing
• freezing mixture
• freezing point
• Fregata
• Fregatidae
• Freiburg
• freight
• freight agent
• freight car
• freight elevator
• freight liner
• freight rate
• freight train
• freightage
• freighter