The most common and most likely answer to this crossword clue is the 5 letter word DROSS
D
R
O
S
S
More clues leading to the result DROSS
- Very easy task collecting river junk
- Rubbish doctor initially seems so retrogressive
- Bed put outside front of residence that gets discarded?
- Having crossed river, bed down in rubbish
- Refuse when beginning to recycle to break bed down
- Rubbish REM at first occurring during sleep
- Sleep interrupted by rook? Rubbish
- Refuse to meet with democrat instead of conservative
- Refuse to sleep around randomly, for a start
- Refuse
Buddy explains!

The straight part
We know that "junk" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case junk = dross.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does DROSS mean?
DROSS noun- Waste or impure matter.
- Residue that forms on the surface of a metal from oxidation.
- The impurities in metal.
- A waste product from working with metal.
- Worthless or trivial matter.
- To remove dross from.