UNBRIDLE
unbridle
(verb) remove the bridle from (a horse or mule)
Source: WordNet® 3.1
Etymology
Verb
unbridle (third-person singular simple present unbridles, present participle unbridling, simple past and past participle unbridled)
(transitive) To remove the bridle, and other tack, from (a horse or other animal).
(transitive, figurative) To remove restraint from.
Anagrams
• Dubliner
Source: Wiktionary
Un*bri"dle, v. t. Etym: [1st pref. un- + bridle.]
Definition: To free from the bridle; to set loose.
Source: Webster’s Unabridged Dictionary 1913 Edition