encombrer betyder på engelska

clutter [cluttered, cluttering, clutters]▼◼◼◼(to fill something with clutter)
verb
[UK: ˈklʌ.tə(r)] [US: ˈklʌ.tər]John's desk is cluttered with papers. = Le bureau de John est encombré de papiers.

cumber [cumbered, cumbering, cumbers]▼◼◻◻(to slow down, to hinder, to burden)
verb
[UK: ˈkʌm.bə(r)] [US: ˈkʌm.bər]