zeal
US /ziːl/
UK /ziːl/

1.
zelo, entusiasmo, ardor
great energy or enthusiasm in pursuit of a cause or an objective
:
•
Her zeal for social justice was inspiring.
Seu zelo pela justiça social era inspirador.
•
He pursued his goals with unwavering zeal.
Ele perseguiu seus objetivos com zelo inabalável.