Pretty black fauteuil is broken (9)
I believe the answer is:
beautiful
'pretty' is the definition.
(similar in meaning)
'black fauteuil is broken' is the wordplay.
'black' becomes 'b' (as in pencil classifications).
'is broken' is an anagram indicator.
'fauteuil' is an anagram of 'eautiful'.
'b'+'eautiful'='BEAUTIFUL'
(Other definitions for beautiful that I've seen before include "Pleasing to the eye" , "Pulchritudinous, gorgeous" , "Fine" , "Aesthetically very pleasing" , "Nice to see" .)