polluted
US /pəˈluː.t̬ɪd/
UK /pəˈluː.t̬ɪd/

1.
contaminated with harmful or poisonous substances
:
•
The river was heavily polluted by industrial waste.
•
Breathing polluted air can cause respiratory problems.
1.
past tense and past participle of pollute
:
•
Factories have polluted the air for decades.
•
The oil spill severely polluted the coastline.