| loathed(adjective, out, gross, lousy, weird) |
| losers |
| losing |
| loss(noun, decline, ruin, defeat, neglect) |
| lousy(adjective, out, gross, unattractive, hated) |
| lumpy(noun, beat, bomb, disappointment, catastrophe) |
| mess(noun, decline, ruin, defeat, collapse) |
| might-have-been(noun, beat, bomb, disappointment, catastrophe) |
| milksop |
| misadventure(noun, decline, ruin, defeat, collapse) |
| miscarriage(noun, decline, ruin, defeat, collapse) |
| misstep(noun, decline, ruin, defeat, collapse) |
| moocher(noun, beat, bomb, disappointment, catastrophe) |
| moron(noun, person, informal) |
| nerdy(adjective, out, gross, lousy, weird) |
| no-good(noun, beat, bomb, disappointment, catastrophe) |
| non-starter |
| nonentity |
| nonperformance(noun, decline, ruin, defeat, collapse) |
| nonperformer(noun, beat, bomb, disappointment, catastrophe) |