In foolish pride, she died (8)
I believe the answer is:
perished
'died' is the definition.
('perish' can be a synonym of 'die')
'in foolish pride she' is the wordplay.
'in' is an insertion indicator.
'foolish' is an anagram indicator.
'pride' with letters rearranged gives 'perid'.
'perid' enclosing 'she' is 'PERISHED'.
(Other definitions for perished that I've seen before include "Died, failed" , "Decayed, died" , "(Of rubber) forty three" , "Ruined" , "Extremely cold - died - rotted" .)