| brief(transitory, short-lived) |
| bringdown(noun, defeat, blow, failure, mistake) |
| bum(noun, bomb, disappointment, catastrophe, letdown) |
| bummer(noun, defeat, blow, failure, mistake) |
| calamity(noun, defeat, blow, failure, mistake) |
| castaway(noun, bomb, disappointment, catastrophe, letdown) |
| catastrophe(noun, bomb, disappointment, letdown, fiasco) |
| cursory(brief, transitory, short-lived) |
| deadbeat(noun, bomb, disappointment, catastrophe, letdown) |
| defaulter(noun, bomb, disappointment, catastrophe, letdown) |
| derelict(noun, bomb, disappointment, catastrophe, letdown) |
| disaster(noun, defeat, blow, failure, mistake) |
| downer(noun, defeat, blow, failure, mistake) |
| drag(noun, defeat, blow, failure, mistake) |
| ephemeral(brief, transitory, short-lived) |
| error(noun, defeat, blow, failure, mistake) |
| evanescent(brief, transitory, short-lived) |
| fading(brief, transitory, short-lived) |
| false alarm(noun, expression, defeat, blow, failure) |
| fizzle(noun, defeat, blow, failure, mistake) |