| misfire(verb, fail, fade, fatigue, miscarry) |
| fizzle(fail, collapse, fold, flop, miscarry) |
| fizzle out(verb, expression, fail, collapse, fade) |
| come to nothing(expression, idiom, fail, collapse, fold) |
| explode(verb, fail, collapse, fold, flop) |
| poop out(verb, expression, fail, collapse, fade) |
| abort(fail, collapse, fold, flop, miscarry) |
| blow up |
| fail(collapse, fold, miscarry, backfire) |
| fall short(verb, expression, fail, collapse, fade) |
| fall through(expression, fail, miscarry, backfire) |
| hang up |
| miscarry(fail, collapse, fold, flop, fizzle) |
| peter out(verb, expression, fail, collapse, fold) |
| backfire(verb, fail, collapse, fold, explode) |
| blunder(fail, collapse, fold, flop, miscarry) |
| break down(expression, fail, collapse, fade, fold) |
| cave in |
| collapse |
| come to grief |