unbridled
verb
Definitions
To remove the bridle, and other tack, from (a horse or other animal).
To remove restraint from.
Example: If we unbridle our greed and lust we will be nothing but animals.
adjective
Definitions
Not fitted with a bridle.
Example: an unbridled horse
(by extension) Without restraint or limit.
Example: She jumped into the project with unbridled enthusiasm.