Uncontaminated
Part of speech: adjective
Definition: Not contaminated; unpolluted
Pure
Part of speech: adverb
Definition: to a great extent or degree; extremely; exceedingly.
Part of speech: adjective
Definition: free of flaws or imperfections; unsulliedfree of foreign material or pollutantsfree of immoral behavior or qualities; cleanof a branch of science, done for its own sake instead of serving another branch of science.
Example sentence: The deeper the blue becomes, the more strongly it calls man towards the infinite, awakening in him a desire for the pure and, finally, for the supernatural... The brighter it becomes, the more it loses its sound, until it turns into silent stillness and becomes white.