underachieve Synonyms

underperform abort miss the mark hit the skids lay an egg punch below one's weight chokes be defeated be frustrated be in vain not come up to scratch meet with disaster not succeed suffer defeat all through not pass be a failure fall short of expectations go down like a lead balloon go belly-up chocking choked choking choke collapse disappoint drift fail flop flounder flunk lose miscarry break down backfire drop out flame out not come up to the mark