fervor

noun
UK /ˈfɜː.vər/
US /ˈfɝː.vɚ/

Fervor is a very strong, excited feeling about something you care about.

She spoke with great fervor about protecting the ocean.


OTHER MEANINGS

2. Very strong heat or warmth.

The fervor of the midday sun made everyone seek shade.

3. Intense religious devotion.

The congregation sang with fervor during the service.

4. A wave of strong, widespread excitement among many people.

The fervor of the crowd grew as the team scored.