fervent

FUR-vunt

meaning in plain English

Showing strong, deep, or intense feeling about something you care about a lot.

for example

She gave a fervent speech about protecting the park from being torn down.

Imagine someone so passionate about their favorite sports team that they cheer wildly at every game—no matter what. That’s what being fervent feels like: a burning, unstoppable excitement that won’t let you stay quiet.