Insufferable
Pronunciation : In*suf"fer*a*ble
Part of Speech : a.
Definition : 1. Incapable of being suffered, borne, or endured; insupportable; unendurable; intolerable; as, insufferable heat, cold, or pain; insufferable wrongs. Locke.
2. Offensive beyond endurance; detestable. A multitude of scribblers who daily pester the world with their insufferable stuff. Dryden.
Source : Webster's Unabridged Dictionary, 1913