Stronger synonyms:
* Contemptuous: Expressing extreme disapproval or disgust.
* Scornful: Feeling or showing contempt.
* Supercilious: Behaving or looking as though one thinks one is superior to others.
* Arrogant: Having or showing an exaggerated sense of one's own importance.
* Haughty: Arrogantly superior and disdainful.
* Patronizing: Treating with an apparent kindness that betrays a feeling of superiority.
More subtle synonyms:
* Disapproving: Feeling or showing disapproval.
* Unfavorable: Not favorable; negative.
* Uninterested: Lacking interest; indifferent.
* Apathetic: Having or showing little or no emotion or interest.
* Cold: Lacking warmth or friendliness; aloof.
* Aloof: Not friendly or forthcoming; cool and distant.
The best synonym for you will depend on the specific context and the strength of the emotion you want to convey.