littered
1. [ adjective ] filled or scattered with a disorderly accumulation of objects or rubbish
Synonyms: cluttered
Examples:

"the storm left the driveway littered with sticks and debris" "his library was a cluttered room with piles of books on every chair"

Related terms: untidy
Similar spelling:   lettered
  litterateur
  literature
  literate
  letterhead
  literati