apathetic

adj

1. Void of feeling; not susceptible of deep emotion.

   “He then added a few general offers of service, but offered as if he would be glad if they were accepted; and when Guido knelt for his parting benediction, it was given with a warmth and sincerity not often used by the apathetic and haughty minister.”

2. Of, or pertaining to apatheism.

noun

1. An apathetic or indifferent person, especially one who shows no interest in a particular issue.

   “On the left are the activist Vietniks, eager to protest the war; next are the doves, who oppose the U.S. role but shun demonstrations; and in the middle are the apathetics, who simply are not concerned enough to think through their own stand.”