unpolluted
adjective/ˌʌnpəˈluːtɪd/
/ˌʌnpəˈluːtɪd/
- that has not been polluted (= made dirty by harmful substances)
- the unpolluted air of the mountains
- Otters need secluded, unpolluted stretches of river with plenty of fish.
- The air was fresh and unpolluted.
Check pronunciation:
unpolluted