| return(verb, fail, weaken, degenerate, deteriorate) |
| revert(verb, fail, weaken, degenerate, deteriorate) |
| sag(verb, fail, weaken, degenerate, deteriorate) |
| sear |
| settle(verb, fail, weaken, degenerate, deteriorate) |
| slide(verb, fail, weaken, degenerate, deteriorate) |
| stall(verb, decline, idle, languish, stagnate) |
| start |
| subside(verb, fail, weaken, degenerate, deteriorate) |
| swale |
| taint(verb, better, thrive, become) |
| totter |
| undermine(verb, rub, grind, fray, erode) |
| veg out |
| vex(verb, rub, grind, fray, erode) |
| washing away(expression, use, weary, rub, corrode) |
| wasted away(verb, expression, degenerate, deteriorate, crumble) |
| wasting away(verb, expression, degenerate, deteriorate, crumble) |
| wear down(verb, expression, rub, grind, fray) |
| wear through(verb, expression, rub, grind, fray) |