| lose(verb, drop, decline, reduce, fall) |
| decline(verb, drop, fall, fail, slip) |
| flop(verb, decline, fall, fail, slip) |
| flounder(verb, decline, fall, fail, slip) |
| miscarry(verb, decline, fall, fail, slip) |
| abort(verb, decline, fall, fail, slip) |
| back wrong horse(verb, expression, idiom, decline, fall) |
| backslide(verb, decline, fall, fail, slip) |
| be demoted(verb, decline, fall, fail, slip) |
| be found lacking(verb, decline, fall, fail, slip) |
| be in vain(verb, decline, fall, fail, slip) |
| be ruined(verb, decline, fall, fail, slip) |
| be unsuccessful(verb, decline, fall, slip, bomb) |
| blunder(verb, decline, fall, fail, slip) |
| break down(verb, expression, phrasal verb, decline, fall) |
| collapse(verb, drop, fall, fail, lose) |
| come to naught(verb, expression, idiom, decline, fall) |
| come to nothing(verb, expression, idiom, decline, fall) |
| crash(verb, drop, fall, sink, bomb) |
| deteriorate(verb, decline, fall, fail, slip) |