| blunt(harm, hinder, spoil, weaken) |
| bobble(quell, bollix, flubbed) |
| bollix(quell, flubbed) |
| bollixed(quell, bollix, flubbed) |
| bring to naught(expression, idiom, quell, bollix, flubbed) |
| circumduct(invalidate, unstrengthen, disenable) |
| circumvent(quell, bollix, flubbed) |
| damage(harm, hinder, spoil, weaken, blunt) |
| debilitate(harm, hinder, spoil, weaken, blunt) |
| destroy(harm, hinder, spoil, weaken, blunt) |
| detouring(quell, bollix, flubbed) |
| disable(invalidate, unstrengthen, disenable) |
| disannul(invalidate, unstrengthen, disenable) |
| disenable(invalidate, unstrengthen) |
| disentitle(invalidate, unstrengthen, disenable) |
| disfranchise(invalidate, unstrengthen, disenable) |
| disqualify(harm, hinder, spoil, weaken, blunt) |
| double cross(expression, quell, bollix, flubbed) |
| doublecross(quell, bollix, flubbed) |
| enervate(harm, hinder, spoil, weaken, blunt) |