Isn't upright (5)
I believe the answer is:
lists
'isn't upright' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for lists that I've seen before include "Heels; rolls" , "Silts up and leans over" , "Borders" , "Leans; rolls" , "Catalogues, rolls" .)