Main entry: contaminated
Definition: corrupted by contact or association
Usage: contaminated evidence
Antonyms: uncontaminated
Definition: not corrupted by contact or association
Main entry: contaminated, polluted
Definition: rendered unwholesome by contaminants and pollution
Usage: had to boil the contaminated water; polluted lakes and streams
Antonyms: pure
Definition: (used of persons or behaviors) having no faults; sinless
Antonyms: pure
Definition: free of extraneous elements of any kind