The definition of unbridled is unrestrained or not controlled.
Pure rage that you have no control over and that leads you to punch someone is an example of unbridled rage.
- having no bridle on: said as of a horse
- unrestrained; uncontrolled
- Unrestrained; uncontrolled: unbridled anger.
- Not wearing or not fitted with a bridle: an unbridled pony.
(comparative more unbridled, superlative most unbridled)
- Simple past tense of unbridle.