The term "secular legislative purpose" is used to describe laws. It means that regulations must not try to inhibit or promote religion under the First Amendment.
A secular trend refers to a long-term and sustained movement in a particular direction or pattern, typically lasting for many years or even decades. In finance, a secular trend is often used to describe the overall direction of a market, independent of short-term fluctuations.
Evil, in the secular term, is a literal term used to describe an emotion and a way of behaving, as influenced by brain chemistry.
Oxygen
a hero
proven
climate
Fitness
Oxidation is the best term. There is no other single word (or term) that can do it.
Secular refers to things that are not religious or spiritual in nature, relating to the physical world rather than the divine. It can also describe institutions or societies that are not affiliated with any religious organization.
madrigal
puberty