Unbridle v. t. : To free from the bridle; to set loose.

Example:
Is Unbridled capitalism really good for a country?

Taxonomy
horse, Susan, Kayne, equine, horse RACING, Lifestyle Series, relationship, TV, carson kressley, thoroughbred racing, thoroughbred, Biancone, Pletcher, NYRA, NYTB, riding, trotters, merv griffin.

Defination from the web:
unbridle everything equine on the emerald isle....racing, show jumping, eventing & luxury vacations on horseback....we'll bring ...