Implicit and explicit atheism
Implicit atheism and explicit atheism are types of atheism. In George H. Smith's Atheism: The Case Against God, "implicit atheism" is defined as "the absence of theistic belief without a conscious rejection of it", while "explicit atheism" is "the absence of theistic belief due to a conscious rejection of it".
Source: Wikipedia — Implicit and explicit atheism (CC BY-SA 4.0)