Definition of "unsoluble" []

• Not easily solved (adjective)

WordNet. Princeton University. 2010.

• "The longer the case was probed, the deeper became its unsoluble aspects."
• "The antiquated view of Du Bois-Reymond (1872) -- that human consciousness is an unsoluble "world-riddle," a transcendent phenomenon in essential antithesis to all other natural phenomena -- continues to be upheld in numerous writings."
• "I would have made the seams unsoluble and only the fabric soluble."