1. Not thought over and arranged systematically in the mind; not absorbed or assimilated mentally
   "an undigested mass of facts gathered at random" 
2. Not digested
   "undigested food"

See also: indigestible, ununderstood

• Dusseldorf
• dust
• dust bag
• dust bowl
• dust cloud
• dust coat
• dust contamination
• dust cover
• dust devil
• dust jacket
• dust sheet
• dust storm
• dust wrapper
• dust-covered
• dustbin
• dustcart
• dustcloth
• duster
• Dustin Hoffman
• dustiness
• dusting powder
• dustless
• dustlike
• dustman
• dustmop