Not contaminated: uncontaminated blood; an uncontaminated island paradise. (adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "uncontaminated" in a sentence
"May they remain uncontaminated by prejudice for the rest of their lives."
"He called on all "uncontaminated" parliamentarians to resign lest they also fit the bill."
"Pure religion and undefiled before God and the Father consists of the following: to visit the fatherless and widows in their affliction, and remain uncontaminated by the world use "uncontaminated" rather than "unspotted""