'Unbridledness' definitions:

Definition of 'Unbridledness'

From: GCIDE

Unbridled \Un*bri"dled\, a. [Pref. un- not + bridled.] Loosed from the bridle, or as from the bridle; hence, unrestrained; licentious; violent; as, unbridled passions. "Unbridled boldness." --B. Jonson. [1913 Webster]
Lands deluged by unbridled floods. --Wordsworth. [1913 Webster] -- {Un*bri"dled*ness}, n. --Abp. Leighton. [1913 Webster]