adjective. & noun. agnostik: an agnostic philosophy, falsafah agnostik.
(ăg-nŏsʹtĭ-sĭz´əm) noun. 1. The doctrine that certainty about first principles or absolute truth is unattainable and that only perceptual phenomena are objects of exact knowledge. 2. The belief that there can be no proof either that God exists or that God does not exist, agnostisisme.