| flop(noun, verb, trip, fail, slip) |
| miscarry(verb, drop, decline, disregard, trip) |
| fizzle(noun, verb, fail, collapse, disappear) |
| fail(verb, drop, decline, disregard, trip) |
| miss(noun, verb, decline, fall, fail) |
| abort(noun, verb, fail, collapse, sink) |
| founder(verb, fail, sink, plunge, fold) |
| dud |
| fall short(verb, expression, idiom, drop, decline) |
| go wrong(verb, expression, idiom, fail, fade) |
| fall through(verb, expression, phrasal verb, fail, collapse) |
| glitch(noun, difficulty, fault, error, problem) |
| miscarriage(noun, failure, mistake, lapse) |
| flounder(verb, fail, miscarry, founder, backfire) |
| blunder(noun, verb, drop, decline, disregard) |
| failure |
| falter(verb, flunk) |
| fizzle out(verb, expression, phrasal verb, fail, fade) |
| break down(verb, expression, phrasal verb, fail, sink) |
| come to nothing(verb, expression, idiom, fail, collapse) |