Synonyms:
* Unrestrained: This emphasizes the lack of control or restraint.
* Untamed: This suggests a wild or uncontrolled nature.
* Uncontrolled: This emphasizes the lack of regulation or guidance.
* Frenzied: This implies a state of intense excitement or agitation.
* Exuberant: This emphasizes the enthusiastic and unrestrained nature of something.
Antonyms:
* Bridled: This is the direct opposite, implying a restrained or controlled state.
* Curbed: This suggests that something is being held back or limited.
* Controlled: This emphasizes the presence of regulation or guidance.
* Restrained: This implies that something is held back or limited.
* Subdued: This suggests a calm and controlled state.
The best synonym or antonym to use will depend on the specific context of the word "unbridled."