What is the one-word substitution for a person who does not believe in the existence of God?
Q1. What is the one-word substitution for a person who does not believe in the existence of God?
Answer: Atheist
Explanation: An atheist is a person who positively disbelieves in the existence of God or gods. This is distinct from an agnostic, who neither affirms nor denies the existence of a deity.