Unbridled (adjective)

1. Not restrained or controlled.
2. Free from any limitation or restriction.

Origin:

Late 16th century: past participle of unbridle.

Examples:

1. Her unbridled enthusiasm made her a popular leader.
2. Unbridled power often leads to corruption.
3. The unbridled horse threw the rider.
4. His unbridled anger caused him to lash out.
5. The unbridled freedom of the internet can lead to misinformation.