adjectiveindēmonstrābĭlisINDEMONSTRABILIS☆ KeepMeaningnot to be provedLewis & Short 1879ModernAs printed, 1879INDEMONSTRABILISLEWIS & SHORTINDEMONSTRABILISindēmonstrābĭlis, e, adj. 2. in-demonstro, I. not to be proved, undemonstrable: modi, App. Dogm. Plat. 3, p. 37, 9. Read the whole entry