Simple past tense and past participle of collapse.(verb)
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Use "collapsed" in a sentence
"Although her label collapsed last year in the midst of the global financial crisis, she has not completely disappeared from the fashion arena and her most recent project is a collaboration with Camper."
"Her expression collapsed to a flat, disengaged affect."
"THE late-season charge of Edinburgh Monarchs in the silverware stakes has resulted in a surfeit of extra meetings - but one Monarch who isn't complaining is Aussie reserve Aaron Summers whose finances this term collapsed faster than Lehman Brothers."