n. A state of nature; uncivilized or unregenerate condition.n. Conformity to nature or to reality; a close adherence to nature in the arts of painting, sculpture, poetry, etc.: opposed to idealism, and implying less of crudeness than realism.n. Specifically, in the fine arts, the rendering of nature, as it is, by the arts of design, but without either slavish fidelity or attempt at illusion. It is the mean between idealism and realism.n. In philosophy, that view of the world, and especially of man and human history and society, which takes account only of natural (as distinguished from supernatural) elements and forces.n. In theology:n. The doctrine that natural religion is sufficient for salvation.n. The doctrine that all religious truth is derived from a study of nature without any supernatural revelation, and that all religious life is a natural development unaided by supernatural influences.