English Reference
Idiom idiom

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.

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


SIMPLE

“I need to buckle down and finish this essay.”

CONTEXTUAL

“With exams in two weeks, the students finally decided to buckle down and stop wasting time.”

COMPLEX

“After years of drifting between jobs, he resolved to buckle down, earn his certification, and build a career he could be proud of.”


From buckle + down.


Related idioms2entries
  1. 01

    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”).

  2. 02

    buckle up

    To fasten one's seat belt or safety belt.

Last updated August 10, 2026