What is another word for buckles under?
Pronunciation: [bˈʌkə͡lz ˈʌndə] (IPA) 
When someone "buckles under," it means they give in or surrender in the face of pressure or opposition. Some synonyms for "buckles under" include yielding, caving, succumbing, submitting, and surrendering. One may also "back down," "give way," or "concede defeat." Other related phrases include "throw in the towel" and "give up the ghost." These phrases all share a common theme of giving up in the face of challenge or adversity. So, whether you "buckle under" or "surrender," there are many words that can capture the act of giving in.
