Zeal (7)
'zeal' is the definition.
(synonyms)
This is the entire clue.
(Other definitions for ardour that I've seen before include "Passionate zeal" , "Love, passion" , "Passion, rapture" , "Great enthusiasm or passion" , "Warm, passionate feeling" .)
'zeal' is the definition.
(thesaurus)
This is all the clue.
'zeal' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for fervour that I've seen before include "Feelings of great warmth and intensity" , "Zeal" , "Heated feeling" , "Vehemence" , "Ardour" .)