1.AdjectiveDoubtful or uncertain about the existence or demonstrability of God or other deity.
"She left the church when she had become agnostic."
2.AdjectiveHaving no firmly held opinions on something.
"I'm agnostic on whether ethanol is a green fuel.; He says he's agnostic concerning the Secretary's claims."
3.AdjectiveOf or relating to agnosticism or its adherents.
"His agnostic viewpoint is summarized in his book."
4.AdjectiveUnaware or noncommittal regarding the specific nature of the components or input with which it interacts.
"The socket communications layer is agnostic with regard to its underlying transport mechanism—it is “transport-agnostic”.; The software's registration key is platform agnostic and will work on both x86 and ARM processors."
5.NounA person who holds to a form of agnosticism, especially uncertainty of the existence of a deity.