Adjective
incapable of being tolerated or endured
Source: WordNetEverything is a dangerous drug to me except reality, which is unendurable. Cyril Connolly
The unendurable is the beginning of the curve of joy. Djuna Barnes
A society made up of individuals who were all capable of original thought would probably be unendurable. H. L. Mencken
The old man murmured: "Aye, we draw to an end. Dying hurts. Nonetheless the forefathers were wise who in their myths made Nan coequal with Lesu. A thing which endured forever would become unendurable. Death opens a way, for peoples as well as for people.”. Poul Anderson
Ticks, bedbugs and a crying child are unendurable. Lebanese Proverb
To endure what is unendurable is true endurance. Japanese Proverb