[ag.nos.tic] n [Gk agnostos unknown, unknowable, fr. a- + gnostos known, fr. gignoskein to know--more at know] (1869): a person who holds the view that any ultimate reality (as God) is unknown and prob. unknowable; broadly: one who is not committed to believing in either the existence or the nonexistence of God or a god -- ag.nos.ti.cism n
[2]agnostic adj (1873) 1: of, relating to, or being an agnostic or the beliefs of agnostics
2: noncommittal, undogmatic