English Reference
Idiom idiom

buckle up


To fasten one's seat belt or safety belt.

Meaning adapted from Wiktionary, available under CC BY-SA 4.0.


SIMPLE

“Please buckle up before I start the car.”

CONTEXTUAL

“The road ahead is very bumpy, so make sure you buckle up tightly.”

COMPLEX

“The pilot instructed all passengers to buckle up as the aircraft prepared for a turbulent descent through the storm.”


Related idioms2entries
  1. 01

    buckle down

    To apply oneself to study, or a task or work; to focus on or take a serious attitude towards something; to put forth the needed effort.

  2. 02

    buckle to

    Synonym of buckle down (“to apply oneself to study, or a task or work; to focus on or take a serious attitude towards something; to put forth the needed effort”).

Last updated August 10, 2026