Definition of "insolvable" [in•solv•a•ble]

• Impossible to solve; having no solution: a seemingly insolvable problem. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "It helps that most of us have already lived through several life-challenging events that seemed insolvable -- and we made it through!"
• "What I do know what has resulted is not unlike the seemingly insolvable palestinian israeli conflict."
• "Despite millennia of research and rumination, only recently has the humanity attained the necessary technological and intellectual stage to successfully tackle this seemingly insolvable conundrum."