unreligion
/ʌnˈrɛlɪdʒən/Definitions
1. noun
the state or quality of not being religious; the absence of religion or a disbelief in any religion
“The concept of unreligion has been explored in various philosophical and sociological studies.”
2. noun
a lack of regard or concern for religious values or institutions
“The rise of unreligion has led to a decline in church attendance and donations.”