- Great energy or enthusiasm in pursuit of a cause or an objective: his zeal for privatization Laura brought a missionary zeal to her workMore example sentences
- I do commend the officers involved upon their zeal and energy.
- One glance at those staring eyes was enough to confirm that this was a man burning with missionary zeal.
- At the age of 21, full of zeal and love, Richard was accepted as a junior agent in the Irish Church Missions.
late Middle English: via ecclesiastical Latin from Greek zēlos.