Defile

angostura

(narrow passage or way, especially a narrow gorge or pass between mountains)

desfiladero

(narrow passage or way, especially a narrow gorge or pass between mountains)

desfile

(single file of soldiers; any single file)

estrecho

(narrow passage or way, especially a narrow gorge or pass between mountains)

fila india

(single file of soldiers; any single file)

paso

(narrow passage or way, especially a narrow gorge or pass between mountains)

contaminar

(to make (someone or something) physically dirty or unclean)

desfilar

(to march in a single file or line — see also file)

ensuciar

(to make (someone or something) physically dirty or unclean)

impurificar

(to make (someone or something) physically dirty or unclean)

profanar

(to make (someone or something) physically dirty or unclean)