15 across
Sound
of
complaint
seven
days
after
crew
loses
diamonds
(6)
Sound of complaint seven days after crew loses diamonds (6)
hints
0
checks
0
hints
The definition is at the beginning of the clue.
How the clue works
The definition is Sound of complaint — a loud harsh cry or protest. For the wordplay, take crew, which gives you SQUAD, then strip out the D (diamonds, from card suits) to leave SQUA. Finally, tack on WK (the abbreviation for week, your seven days) and you've got your answer.