Answer: defiles

AnswerCrossword Clue
DEFILESMakes dirty
DEFILESMakes impure
DEFILESMountain passes.
DEFILESPasses
DEFILESRavines' kin
DEFILESNarrow passages
DEFILESCorrupts
defilesDEFILE, to make dirty (soiled)
defilesto make foul or dirty