Fanaticism (4)
'fanaticism' is the definition.
(I know that fanaticism can be written as zealotry)
This is all the clue.
(Other definitions for zealotry that I've seen before include "Excessive devotion" , "Fanatical enthusiasm" , "Excessive religious enthusiasm" , "Fanaticism" , "Fanatical behaviour" .)
'fanaticism' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for zeal that I've seen before include "Great enthusiasm or keenness" , "Fervent devotion" , "Laze (anag.)" , "Extreme enthusiasm" , "Passion" .)