Inflame (verb)

To set fire to something, to ignite something.

Origin:

From the combination of the prefix "in" and the verb "flame".

Examples:

1. The fireworks in flamed the sky with vibrant colors.
2. The campfire was in flamed and the marshmallows were ready to be roasted.
3. He in flamed the passion of the crowd with his speeches.
4. The dry grass in flamed quickly and the fire spread rapidly.
5. The protesters in flamed the barricades to block the police advance.