pristine pristine /ˈprɪstiːn/

adjective

1. Immaculately clean and unused  ( pristine )
   immaculately clean and unused
    Handed her his pristine white handkerchief
   handed her his pristine white handkerchief
   
2. Completely free from dirt or contamination  ( pristine )
   completely free from dirt or contamination
    Pristine mountain snow
   pristine mountain snow