insolvable

[ in-sol-vuh-buh l ]

/ ɪnˈsɒl və bəl /

incapable of being solved or explained; insoluble.

Origin of insolvable

First recorded in 1640–50; in-³ + solvable

in·solv·a·bil·i·ty, noun in·solv·a·bly, adverb

insoluble insolvable unsolvable

Heredity thus becomes a convenient name by which to denominate the insolvable.

A Plea for the Criminal |James Leslie Allan Kayll
This part of the inventive problem, to many an inventor, is insolvable for many reasons.

Inventors & Inventions |Henry Robinson
As for her words, they were like her conduct, an insolvable mystery, for which he had no key.

Hand and Ring |Anna Katharine Green
It is one of the most insolvable questions in history why so little effort was made by the French to save the Maid's life.

Beacon Lights of History, Volume VII |John Lord

Sir Peter Laurie passes so quickly from hyper-loyalty to downright treason, that he is an insolvable problem.

Punch, or the London Charivari, Vol. 1, December 18, 1841 |Various

insolvable

/ (ɪnˈsɒlvəbəl) /

another word for insoluble (def. 2)

insolvability, noun insolvably, adverb