Strong Synonyms:
* Abhorrent: Causing great disgust and hatred.
* Hateful: Filled with or expressing hate.
* Despicable: Extremely unpleasant or contemptible.
* Repulsive: Causing a strong feeling of disgust.
* Loathsome: Extremely unpleasant or disgusting.
* Execrable: Extremely bad or unpleasant.
* Abominable: Extremely unpleasant or unacceptable.
* Detestable: Deserving to be hated.
* Appalling: Shocking and horrifying.
Less Intense Synonyms:
* Offensive: Causing offense or displeasure.
* Disgusting: Causing a feeling of disgust.
* Unpleasant: Not enjoyable or agreeable.
* Unpalatable: Not agreeable or acceptable.
* Repugnant: Causing a strong feeling of dislike or aversion.
* Disagreeable: Unpleasant and irritating.
More Nuanced Synonyms:
* Reprehensible: Deserving censure or condemnation.
* Deplorable: Extremely bad or unsatisfactory.
* Contemptible: Deserving of contempt.
* Detestable: Worthy of hatred or disgust.
* Infamous: Well known for something bad.
The best synonym will depend on the specific context in which you are using it.