0 great enthusiasm or eagerness -- celo, afán, fervor
reforming/missionary/religious zeal
a zeal for money-making
1 enthusiasm or keenness -- entusiasmo
The zeal of the convert, no doubt.
Excessive zeal for technical, quantitative definitions runs the economic risk of turning the stability pact into a straight-jacket.
I think it is important to call a halt at last to the authorities' data-collecting zeal, which is spiralling out of control.
There is no room for complacency; we need to continue with the same intense effort, to show the same zeal in preventing and stopping the spread of this illness.