unbridled

un- +‎ bridled

unbridled (comparative more unbridled, superlative most unbridled)

1. Not fitted with a bridle.

   an unbridled horse

2. (by extension) Without restraint or limit.

   unbridled capitalism

   She jumped into the project with unbridled enthusiasm.

   • 1749, Henry Fielding, The History of Tom Jones, a Foundling, volumes (please specify |volume=I to VI), London: A[ndrew] Millar, […], →OCLC:

     The doctor now interposed, and prevented the effects of a wrath which was kindling between Jones and Thwackum; after which the former gave a loose to mirth, sang two or three amorous songs, and fell into every frantic disorder which unbridled joy is apt to inspire […]

   • 1938, Norman Lindsay, Age of Consent, 1st Australian edition, Sydney, N.S.W.: Ure Smith, published 1962, →OCLC, page 128:

     In a very precise voice, Miss Marley said to Jasper, "No, Jasper, I would never submit myself to the unbridled transports of passion."

   • 1962 March, J. M. Tolson, “The Netherlands Railways today—I: The economic development of the Netherlands Railways”, in Modern Railways, page 170:

     Unbridled competition between the different means of transport is eliminated by a licensing system, to which all transport concerns, whether by land or water, are subjected for both regular and occasional transport.

   • 2005, Sean Dooley, The Big Twitch, Sydney: Allen and Unwin, page 131:

     His contempt was totally unbridled, as though my goal was a personal affront to him and all humanity.

unbridled

1. simple past of unbridle