Unperturbed over time.
Not bound by the vows of a monastic order.
Centuries-old, ancient.
Relating to long-term non-periodic irregularities, especially in planetary motion or magnetic field.
Not specifically religious; lay or civil, as opposed to clerical.
Temporal; worldly, or otherwise not based on something timeless.
Continuing over a long period of time, long-term.
Happening once in an age or century.
A layman, as distinguished from a clergyman.
A secular ecclesiastic, or one not bound by monastic rules.
A church official whose functions are confined to the vocal department of the choir.
Having no end; infinite; endless; unending.
In an unendly or infinite manner; infinitely; unendingly.