Secular (disambiguation)

Secular is an adjective describing something separate from religion.

Secular may also refer to:

Aperiodic

 * Secular basis, a long-term financial basis
 * Secular equilibrium, a situation in which the quantity of a radioactive isotope remains constant
 * Secular Games, an ancient Roman religious celebration, involving sacrifices and theatrical performances, held for three days and nights to mark the end of a saeculum and the beginning of the next
 * Secular phenomena, astronomical phenomena that repeat too slowly to be observed, if at all
 * Secular stagnation, a theory of low economic growth
 * Secular variation, the long-term non-periodic variation of a time series

Separate from religion

 * Mexican secularization act of 1833
 * Organized secularism
 * Secular clergy
 * Secular education
 * Secular humanism
 * Secular institute, a Catholic organization of individuals who are consecrated persons while living in the world