ZEAL

[noun] [U] - great enthusiasm or eagernessreforming zealmissionary zealrevolutionary zealreligious zealHe thinks that with the new zeal for money-making, a certain quality of life has been lost.They are pursuing their aims with a determined zeal/an evangelical zeal.With (all) the zeal of a convert, she strongly disapproves of people who smoke now she's stopped herself.In his zeal to get his work finished on time, he made a lot of mistakes. [+ to infinitive]