Secularity (adjective form secular, from Latin saecularis meaning "worldly" or "temporal") is the state of being separate from religion, or of not being exclusively allied with or against any particular religion.
For instance, one can regard eating and bathing as examples of secular activities, because there may not be anything inherently religious about them. Nevertheless, some religious traditions see both eating and bathing as sacraments, therefore making them religious activities within those world views. Saying a prayer derived from religious text or doctrine, worshipping through the context of a religion, and attending a religious school are examples of religious (non-secular) activities.
A related term, secularism, involves the principle that government institutions and their representatives should remain separate from religious institutions, their beliefs, and their dignitaries. Many businesses and corporations, and some governments operate on secular lines. This stands in contrast to theocracy, government with deity as its highest authority.
Secular and secularity derive from the Latin word saecularis meaning "of a generation, belonging to an age". The Christian doctrine that God exists outside time led medieval Western culture to use secular to indicate separation from specifically religious affairs and involvement in temporal ones.
This does not necessarily imply hostility to God or religion, though some use the term this way (see "secularism", below); Martin Luther used to speak of "secular work" as a vocation from God for most Christians. According to cultural anthropologists such as Jack David Eller, secularity is best understood, not as being "anti-religious", but as being "religiously neutral" since many activities in religious bodies are secular themselves and most versions of secularity do not lead to irreligiosity.