1. Incapable of being traced or tracked down
   "an untraceable source"

Antonym: traceable

Encyclopedia: Untraceable

• characteristic root of a square matrix
• characteristically
• characterization
• characterize
• characterless
• charade
• charades
• Charadrii
• Charadriidae
• Charadriiformes
• Charadrius
• Charadrius melodus
• Charadrius morinellus
• Charadrius vociferus
• Charales
• charas
• charbroil
• charcoal
• charcoal burner
• charcoal-gray
• charcoal-grey
• Charcot
• Charcot-Marie-Tooth disease
• charcuterie
• chard