/ ægˈnɒstɪk; NAmE -ˈnɑːs-/ noun
a person who believes that it is not possible to know whether God exists or not
—compare atheist
► ag·nos·tic adjective
► ag·nos·ti·cism / ægˈnɒstɪsɪzəm; NAmE -ˈnɑːs-/ noun [ U ]
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WORD ORIGIN
mid 19th cent.: from a- not + gnostic relating to knowledge, especially mystical knowledge .