- not controlled or restrained: unbridled enthusiasm.
- not fitted with a bridle.
Origin of unbridled
- to remove the bridle from (a horse, mule, etc.).
- to free from restraint.
Origin of unbridle
Examples from the Web for unbridled
Unbridled nationalism is a menace; it leads to trade wars and, all too often, real wars.The United States Needs Corporate 'Loyalty Oaths'
August 4, 2014
New studies show that unbridled hateful speech can cause emotional harm.Should Neo-Nazis Be Allowed Free Speech?
January 31, 2014
The fear of unbridled ambition is nothing new in American politics.Supersize Me, Your Honor: Liebeck v. McDonald’s and Our Era of Ambition
October 21, 2013
There was an unbridled joy—a glee—that was associated with watching Glee each week.Glee’s Cory Monteith Tribute: Cathartic and Could Not Have Been Sadder
October 11, 2013
Wolves, bears, and cougars were the massed enemy on the hill, and our stories were of their unbridled ferocity.Why Do We Save Some Species and Let Others Get Devastated?
Melissa Holbrook Pierson
May 21, 2013
He did not say a word, knowing my unbridled desire to meet danger.My Double Life
This explains why they may be associated in the delirium of unbridled passions.The Sexual Question
He had followed a false lure that his own unbridled imagination had lit.The Duke Of Chimney Butte
G. W. Ogden
What a river it was now, this unbridled Salagua which had been their moat and rampart for so many years!Hidden Water
What a terrible ordeal to a mind so untrained—to a temper so unbridled!Roland Cashel
Charles James Lever
- with all restraints removed
- (of a horse, etc) wearing no bridle
- to remove the bridle from (a horse)
- to remove all controls or restraints from
Word Origin and History for unbridled
late 14c., originally in figurative sense of "unrestrained, ungoverned," from un- (1) "not" + bridled (see bridle (v.)). Cf. Middle Dutch ongebreidelt. Literal sense of "not fitted with a bridle" (of horses) is not recorded before 1550s. The verb unbridle is attested from c.1400 in the literal sense; mid-15c. in the figurative sense.