Conveying a sense of utter despair or hopelessness:
* Despicable
* Abject
* Wretched
* Miserable
* Lamentable
* Deplorable
Conveying a sense of extreme foolishness or ridiculousness:
* Ridiculous
* Preposterous
* Ludicrous
* Farcical
* Absurd
Conveying a sense of disgust or contempt:
* Repugnant
* Loathsome
* Contemptible
* Despised
* Abhorrent
Phrases that convey a similar sentiment:
* Beyond the pale
* Beyond belief
* Utterly deplorable
* A complete and utter disgrace
Ultimately, the best word or phrase will depend on the context and the specific emotion you want to convey.