na-adjective
agnostic
Used in philosophical or religious contexts to describe a stance that the existence of God or ultimate reality is unknowable. Often appears as 不可知論 (agnosticism).
彼は不可知的な立場をとっている。
He takes an agnostic position.
宇宙の始まりについて、彼女は不可知的だ。
She is agnostic about the beginning of the universe.
Compound of 不可知 (unknowable) + 的 (-like, -ic). 不可知 is from 不 (not) + 可知 (knowable).