Artist missing article in least satisfactory glossary (4,4)

'glossary' is the definition.
(thesaurus)

'artist missing article in least satisfactory' is the wordplay.
'artist' becomes 'dali' (I've seen this before).
'missing' indicates named letters should be taken away.
'article' becomes 'a' (indefinite article).
'in' is an insertion indicator.
'least satisfactory' becomes 'worst' (I've seen this before).
'dali' with 'a' removed is 'dli'.
'dli' placed within 'worst' is 'WORD LIST'.