ar ‧ dour BrE AmE British English , ardor American English /ˈɑːdə $ ˈɑːrdər/ noun [uncountable]
[ Date: 1300-1400 ; Language: Old French ; Origin: ardour , from Latin ardor , from ardere ; ⇨ ↑ ardent ]
1 . very strong admiration or excitement SYN passion
with ardour
They sang with real ardour.
2 . literary strong feelings of love SYN passion