Definition of "Secular" :
noun: someone who is not a clergyman or a professional person
adjective: of or relating to clergy not bound by monastic vows
"The secular clergy."
adjective: not concerned with or devoted to religion
adjective: characteristic of those who are not members of the clergy
adjective: characteristic of or devoted to the temporal world as opposed to the spiritual world
adjective: of or relating to the doctrine that rejects religion and religious considerations