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

See also: dumb

• Mitella pentandra
• miter
• miter box
• miter joint
• miter mushroom
• miterwort
• Mitford
• mithan
• mither
• Mithra
• Mithracin
• mithraic
• Mithraicism
• Mithraism
• Mithraist
• mithraistic
• mithramycin
• Mithras
• mithridate
• mithridate mustard
• Mithridates
• Mithridates the Great
• Mithridates VI
• mitigable
• mitigate