defile
/ˈdɛfaɪl/Definitions
1. verb
to make something unclean or polluted, typically by introducing impurities or contaminants
“The oil spill defiled the pristine waters of the ocean.”
2. verb
to fill or cover with dirt, dust, or other impurities
“The construction site defiled the once-clear stream with dust and debris.”
3. noun
a ravine or valley, especially one that is narrow and deep
“The hikers navigated through the treacherous defile in the mountains.”
4. noun
a person who is guilty of an indecent or immoral act
“The scandal damaged the reputation of the defile in public life.”