uncontaminated
1. [ adjective ] not corrupted by contact or association
Examples:

"there is no culture uncontaminated by contact with the outside world"

Related terms: contaminated
2. [ adjective ] free from admixture with noxious elements; clean
Synonyms: unpolluted
Examples:

"unpolluted streams" "a contaminated lake"

Related terms: pure
Similar spelling:   uncontaminating
  unconsummated
  uncontested
  uneconomical
  unconstipated
  unconsecrated
  unconformist
  unconcentrated
  unsentimental
  unconsolidated
  uncontrived
  uncongeniality