the skeptics; the sceptics
Refers to the philosophical school or group of thinkers who doubt the possibility of certain knowledge. Used in academic or historical contexts.
The ancient Greek skeptics denied absolute truth.
懐疑主義 is another term for skepticism as a philosophical stance, similar to 懐疑論, whereas 懐疑派 emphasizes the school or faction.
Compound of 懐疑 (かいぎ, 'doubt, skepticism') and 派 (は, 'group, school, faction'). The term is a direct translation of the Western philosophical concept.