| mar(verb, decline, weaken, degenerate, deteriorate) |
| mess up(verb, expression, phrasal verb, drop, slip) |
| nose-dive(verb, upset, drop, fall, slip) |
| oust(verb, upset, fall, collapse, plunge) |
| overbalance(verb, upset, fall, collapse, plunge) |
| overreact(verb, scare, become, freak) |
| panic(verb, afraid, distressed, scare, become) |
| pervert(verb, decline, weaken, degenerate, deteriorate) |
| pitch(verb, upset, drop, fall, slip) |
| plummet(verb, drop, slip, dip, plunge) |
| plunge(verb, upset, drop, fall, slip) |
| push panic button(verb, expression, idiom, scare, become) |
| regress(verb, decline, weaken, degenerate, deteriorate) |
| retrograde(verb, decline, weaken, degenerate, deteriorate) |
| retrogress(verb, decline, weaken, degenerate, deteriorate) |
| roll(verb, drop, slip, dip, descend) |
| rot(verb, decline, fail, lower, weaken) |
| run scared(verb, expression, scare, become, freak) |
| sag(verb, drop, slip, dip, plunge) |
| scare(verb, become, freak) |