Antonyms of adj pristine

2 senses of pristine

Sense 1
pristine -- (completely free from dirt or contamination; "pristine mountain snow")

INDIRECT (VIA pure) -> impure -- (combined with extraneous elements)

Sense 2
pristine -- (immaculately clean and unused; "handed her his pristine white handkerchief")

INDIRECT (VIA clean) -> dirty, soiled, unclean -- (soiled or likely to soil with dirt or grime; "dirty unswept sidewalks"; "a child in dirty overalls"; "dirty slums"; "piles of dirty dishes"; "put his dirty feet on the clean sheet"; "wore an unclean shirt"; "mining is a dirty job"; "Cinderella did the dirty work while her sisters preened themselves")

Similarity of adj pristine

2 senses of pristine

Sense 1
pristine -- (completely free from dirt or contamination; "pristine mountain snow")
       => pure (vs. impure) -- (free of extraneous elements of any kind; "pure air and water"; "pure gold"; "pure primary colors"; "the violin's pure and lovely song"; "pure tones"; "pure oxygen")

Sense 2
pristine -- (immaculately clean and unused; "handed her his pristine white handkerchief")
       => clean (vs. dirty) -- (free from dirt or impurities; or having clean habits; "children with clean shining faces"; "clean white shirts"; "clean dishes"; "a spotlessly clean house"; "cats are clean animals")