buckle up

verb
buckled up; buckling up; buckles up

Definition of buckle up

intransitive verb

: to fasten one's seat belt

First Known Use of buckle up

1962, in the meaning defined above

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Time Traveler for buckle up

Time Traveler

The first known use of buckle up was in 1962

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Dictionary Entries Near buckle up

buckler mustard

buckle up

Buckley

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Cite this Entry

“Buckle up.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/buckle%20up. Accessed 5 Jul. 2022.

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More from Merriam-Webster on buckle up

Nglish: Translation of buckle up for Spanish Speakers

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