Definition of "unbridle" [un•bri•dle]

• To free from restriction or restraint. (verb-transitive)
• To free from a bridle. (verb-transitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Mr. Assad got an unexpected U.N. reprieve and a green light to unbridle fully his killers."
• "America's unbridle greed caused this world economic crisis."
• "While your local Congressional delegation decries the Supreme Court's decision to unbridle corporate campaign spending, Blair Horner -- the legislative director for NYPIRG -- doesn't think it will have much effect on Albany."