| fail(verb, failure) |
| collapse(verb, failure, unsuccess, weakness) |
| abandon(verb, stop, neglect, failure, ignorance) |
| cut out(verb, neglect, failure, phrasal verb) |
| decay(verb, weakness, failure) |
| decline(verb, weakness, failure) |
| fail to do(verb, expression, do, failure) |
| fall short(verb, failure, shortage, insufficiency, unsuccess) |
| go broke(verb, failure, unsuccess, expression) |
| neglect(verb, ignorance, abandoning) |
| misfire(verb, failure, unsuccess) |
| abort(verb, failure, unsuccess) |
| act up(verb, neglect, failure, phrasal verb) |
| backfire(verb, failure, unsuccess) |
| bail on(verb, expression, neglect, informal) |
| be closed(verb, failure, unsuccess, expression) |
| be defeated(verb, failure, unsuccess, expression) |
| be defective(verb, neglect, failure, expression) |
| be deficient(verb, failure, shortage, insufficiency, unsuccess) |
| be disloyal to(verb, neglect, ignorance, abandoning, expression) |