ENGLISH
REFERENCE

buckle up

idiom
Meaning

To fasten one's seat belt or safety belt.

Examples
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.

Anchors to
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 April 17, 2026