unbridled /ˌʌnˈbraɪdl̟d/ adjective Learner's definition of UNBRIDLED
formal + literary
: not controlled or limited : done, felt, or expressed in a free and uncontrolled way不受控制的;无拘束的;奔放的 -
The crowd was swept with unbridled enthusiasm.人群热情高涨。
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(chiefly US) They live in an area of unbridled development. [=an area where many houses and other buildings are being built without much control by the government]他们居住在一个毫无节制乱开发的地区。