Adjective
incapable of being tolerated or endured
Source: WordNetTo die is poignantly bitter, but the idea of having to die without having lived is unbearable. Erich Fromm
Television has made dictatorship impossible but democracy unbearable. Shimon Peres
Without art, the crudeness of reality would make the world unbearable. George Bernard Shaw
Three passions, simple but overwhelmingly strong, have governed my life: the longing for love, the search for knowledge, and unbearable pity for the suffering of mankind. Bertrand Russell
He left us and we rejoiced; then an even more unbearable person came. Arabic Proverb
True patience consists in bearing what is unbearable. Japanese Proverb