Definition of "agnostic" in English

adjective

1. Doubtful or uncertain about the existence or demonstrability of God or other deity.

   • She left the church when she had become agnostic.

2. (informal, usually with a prepositional phrase) Having 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. Of or relating to agnosticism or its adherents.

   • His agnostic viewpoint is summarized in his book.

4. (computing, of a software component etc.) Unaware 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.

noun

1. A person who holds to a form of agnosticism, especially uncertainty of the existence of a deity.