Definition of "pristine"

Fire fueled with gasoline / Life is beautiful, the world is pristine / We have been bound unseen / The walls of existence remain unclean

2020, The Acacia Strain (lyrics and music), “Solace and Serenity”

Thus fable reports that the fair Grimalkin, whom Venus, at the desire of a passionate lover, converted from a cat into a fine woman, no sooner perceived a mouse than, mindful of her former sport, and still retaining her pristine nature, she leaped from the bed of her husband to pursue the little animal.

1749, Henry Fielding, The History of Tom Jones, a Foundling, volumes (please specify |volume=I to VI), London: A[ndrew] Millar, […]

This indicates that the present levels of genetic diversity in P. microdon are not unusually low, although the amount of diversity to be expected in pristine populations of coastal species of elasmobranch remains elusive because all populations investigated to date have suffered some degree of decline (e.g. Sandoval-Castillo et al. 2004, Keeney et al. 2005, Hoelzel et al. 2006, Stow et al. 2006, Lewallen et al. 2007).

2008, J.M. Whitty, N.M. Phillips, D.L. Morgan, J.A. Chaplin, D.C. Thorburn & S.C. Peverell, Habitat associations of Freshwater Sawfish (Pristis microdon)and Northern River Sharks (Glyphis sp. C): including genetic analysis of P. microdon across northern Australia