secular

Not specifically religious; lay or civil, as opposed to clerical.

Temporal; worldly, or otherwise not based on something timeless.

Not bound by the vows of a religious order.

Near-synonym: nonmonastic

secular clergy in Catholicism

Happening once in an age or century.

Near-synonyms: centurial, centennial

The secular games of ancient Rome were held to mark the end of a saeculum and the beginning of the next.

Continuing over a long period of time.

The long-term growth in population and income accounts for most secular trends in economic phenomena.

on a secular basis

A secular ecclesiastic, or one not bound by monastic rules.

On further examination, I found the clergy, in general, persons of moderate minds and decorous manners : I include the seculars, and the regulars of both sexes

A church official whose functions are confined to the vocal department of the choir.

A layman, as distinguished from a clergyman.

A surname.