Definitions

1. verb

to pollute again; to reintroduce pollution

“The company was accused of repolluting the air after promising to clean it up.”

2. verb (transitive)

to pollute (something) again; to reintroduce pollution into (something)

“The new policy will repollute the water if it is not properly maintained.”

3. noun

an act of repolluting

“The repollution of the river was a major environmental disaster.”