unbridled

adjective

un·​bri·​dled ˌən-ˈbrī-dᵊld 

1

formal + literary : unrestrained

unbridled enthusiasm

live in an area of unbridled development

2

formal + literary : not confined by a bridle

Synonyms of unbridled

• rampant
• uncontrolled

Examples of unbridled in a Sentence

The crowd was swept with unbridled enthusiasm.

a case that was solved only because of one detective's unbridled determination to bring the killer to justice

Recent Examples on the Web

In part, that’s because both actors are delivering impeccable work, balancing their caustic comic chemistry with course, unbridled vulnerability. —Ben Travers, IndieWire, 9 Apr. 2026

Frenza fantasizes about her visit to the post office, scene after scene, with unbridled delight. —Literary Hub, 7 Apr. 2026

The hometown kid Displayed in his unbridled passion, Perry lives in the moment. —Aaron Heisen, Daily News, 4 Apr. 2026

Since her early days as a salon receptionist, the artist formerly known as Catherine Garner has channeled her unbridled id with a head-spinning boldness that would be probable cause for exorcism in most God-fearing countries. —Harry Tafoya, Pitchfork, 2 Apr. 2026

Word History

First Known Use

14th century, in the meaning defined at sense 1

Rhymes for unbridled

• bridled
• idled
• sidled

Kids Definition

unbridled

adjective

un·​bri·​dled ˌən-ˈbrīd-ᵊld 

: unrestrained, ungoverned

unbridled enthusiasm