Buckle
Buckle verb - To fall down or in as a result of physical pressure.
Knuckle under and buckle are semantically related. In some cases you can use "Knuckle under" instead a verb "Buckle".
Knuckle under
Knuckle under verb - To yield to the control or power of enemy forces.
Usage example: the remote outpost was overrun and forced to knuckle under
Buckle and knuckle under are semantically related. Sometimes you can use "Buckle" instead a verb "Knuckle under".
Mutual synonyms
Cite this Source
Knuckle under and Buckle. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/buckle/knuckle_under
Buckle & Knuckle under. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/buckle/knuckle_under>.
Knuckle under or Buckle. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/buckle/knuckle_under.
Google Ngram Viewer shows how "buckle" and "knuckle under" have occurred on timeline