1. unsolvable - Noun
2. unsolvable - Adjective
3. unsolvable - Adjective Satellite
not easily solved
Source: WordNetWe are continually faced with great opportunities which are brilliantly disguised as unsolvable problems. Margaret Mead
We live in a time when the words impossible and unsolvable are no longer part of the scientific community's vocabulary. Each day we move closer to trials that will not just minimize the symptoms of disease and injury but eliminate them. Christopher Reeve
A real scientist solves problems, not wails that they are unsolvable. Anne McCaffrey
The question of the value of nationality in art is perhaps unsolvable. Edward Hopper
Deep in the human nature there is an almost irresistible tendency to concentrate physical and mental energy on attempts at solving problems that seem to be unsolvable. Ragnar Frisch
Only unsolvable problems are worthy of artificial intelligence. Saul Gorn