In the dark, quiet and possibly dead (6)
I believe the answer is:
shaded
'in the dark' is the definition.
I can't tell whether this definition defines the answer.
'quiet and possibly dead' is the wordplay.
'quiet' becomes 'sh'.
'and' is a charade indicator (letters next to each other).
'possibly' indicates an anagram.
'dead' anagrammed gives 'aded'.
'sh'+'aded'='SHADED'
Can you help me to learn more?
(Other definitions for shaded that I've seen before include "Crayoned in" , "Out of direct sunlight" , "Protected from heat and light" , "In comparative darkness" , "Coloured in; screened from direct light" .)