the.com/agnostic

means Someone who holds that the existence of God or gods can't be known for certain, so they neither affirm nor deny it.

from Coined in the 1860s by biologist T.H. Huxley, who built it from Greek 'a-' (without) plus 'gnostos' (known), consciously opposing it to 'gnostic.' Huxley wanted a label for his own stance among more dogmatic peers — he later said he picked it almost as a joke, modeling it on the 'unknown god' the apostle Paul found an altar to in Athens, but it stuck as serious philosophical vocabulary almost immediately.