One-word substitution (belief about God): Determine the precise term for a person who is not sure whether God exists (neither affirms nor denies). Context: Distinguish among disbelief (atheism), belief (theism), and skepticism/uncertainty. Instruction: Select the best single-word substitute.

Given data

• Target: one not sure of the existence of God.
• Options: Agnostic, Cynic, Atheist, Theist.

Concept / Approach
Agnostic = neither believing nor disbelieving, or holding that the truth of God’s existence is unknown/unknowable. Atheist denies; theist believes; cynic distrusts motives of people.

Elimination
Agnostic — uncertainty/unknowability; correct. ✅Atheist — affirms non-existence; not uncertainty. ❌Theist — affirms existence; not uncertainty. ❌Cynic — unrelated to belief in God. ❌

Example
‘‘He describes himself as an agnostic, open to arguments on both sides.’’

Final Answer
Agnostic