Definition of "skeptical"

Numerous experimental tests and other observations have been offered in favor of animal mind reading, and although many scientists are skeptical, others assert that humans are not the only species capable of representing what others do and don’t perceive and know.

2012 March-April, Colin Allen, “Do I See What You See?”, in American Scientist‎, volume 100, number 2, archived from the original on 26 April 2012, page 168