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

• Lars Onsager
• Larus
• Larus argentatus
• Larus canus
• Larus marinus
• Larus ridibundus
• larva
• Larvacea
• larvacean
• larvacide
• larval
• larvicide
• laryngeal
• laryngeal artery
• laryngeal vein
• laryngectomy
• laryngismus
• laryngitis
• laryngology
• laryngopharyngeal
• laryngopharyngitis
• laryngopharynx
• laryngoscope
• laryngospasm
• laryngostenosis