She is a zealous advocate for human rights.

The zealous witness provided crucial evidence in the trial.

She is known for being over-zealous in her work.

The zealous witnesses spread their message to every corner of the city.

He worked zealously to complete the project ahead of schedule.

Her zealousness for the project was evident in her dedication and hard work.

The zealousnesses of the students were evident in their dedication to their studies.

She pursued her dreams with zealousy.