pristine
adjective /ˈprɪstiːn/
  /ˈprɪstiːn/
 - fresh and clean, as if new synonym immaculate
- The car is in pristine condition.
 - a pristine white tablecloth
 - Their uniforms have to be kept pristine at all times.
 
 - not developed or changed in any way; left in its original condition synonym unspoiled
- pristine, pollution-free beaches
 - The oil slick seems certain to blacken miles of pristine coastline.
 
 
Word Originmid 16th cent. (in the sense ‘original, former, primitive and undeveloped’): from Latin pristinus ‘former’. The senses ‘unspoilt’ and ‘spotless’ date from the 1920s.