What is the meaning of Agnostic?

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

Having no firmly held opinions on something.

Of or relating to agnosticism or its adherents.

Unaware or noncommittal regarding the specific nature of the components or input with which it interacts.

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

agnostic

Source: wiktionary.org