contaminated

Từ điển WordNet v3.1 - WordNet Dictionary

adjective

1. corrupted by contact or association
- contaminated evidence
• Ant:
uncontaminated
• Similar to:
mercury-contaminated
2. rendered unwholesome by contaminants and pollution
- had to boil the contaminated water
- polluted lakes and streams
• Syn:
polluted
• Similar to:
impure