un·bri·dled 
/ˌʌnˈbraɪdl̟d/ adjective
/ˌʌnˈbraɪdl̟d/ adjective formal + literary : not controlled or limited : done, felt, or expressed in a free and uncontrolled way
▪ The crowd was swept with unbridled enthusiasm. ▪ (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]
▪ The crowd was swept with unbridled enthusiasm. ▪ (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]
