unbuckle

verb

un·​buck·​le ˌən-ˈbə-kəl 

unbuckled; unbuckling

transitive verb

: to loose the buckle of : unfasten

intransitive verb

1

: to loosen buckles

2

: relax

Examples of unbuckle in a Sentence

She unbuckled her seat belt.

Recent Examples on the Web

Ly is able to wake the driver, unbuckles him and pulls him from the burning vehicle. — Richard Ramos, CBS News, 10 Nov. 2026

Heaven forbid a child unbuckles at school drop off for a split second. — Joel Feder, The Drive, 6 Nov. 2026

In the months since, she’s heard about quiet ways to attract the attention of remote support—pulling a door handle, unbuckling a seat belt. — Molly Fischer, New Yorker, 12 Oct. 2026

Guthrie said his daughter and her two friends ended up suspended upside down by their seat belts before a bystander helped unbuckle them and pull them out. — Shambhavi Rimal, Fort Worth Star-Telegram, 17 Sep. 2026

Word History

First Known Use

14th century, in the meaning defined at transitive sense

Kids Definition

unbuckle

verb

un·​buck·​le ˌən-ˈbək-əl 

: to unfasten the buckle of (as a belt)