cease activity, close, close down, cease production, cease operating, come to a halt, go on strike, cease trading, collapse, fail, crash, go under, go to the wall, go bankrupt, become insolvent, go into receivership, go into liquidation, be liquidated, be wound up, be closed, be closed down, be shut, be shut down
informal go bust, go bump, fold, flop, flatline, go broke, go belly up
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