| decay(verb, break, spoil, down) |
| go bad(noun, verb, food, spoil) |
| addle(verb, adjective, break, spoil) |
| become moldy(noun, expression, food, down) |
| break(verb, spoil, regress, break down) |
| change for the worse(verb, expression, down, regress) |
| corrupt(verb, break, spoil, regress) |
| decay completely(noun, expression, food, down) |
| deteriorate(verb, break, spoil, down) |
| fall(verb, break, spoil, down) |
| go out(verb, break, spoil, disimprove) |
| impair(verb, break, spoil, down) |
| putrefy(verb, break, spoil, regress) |
| rot(verb, break, spoil, regress) |
| worsen(verb, down, spoiled) |
| be all downhill(verb, expression, down, regress) |
| be negatively affected(verb, expression, down, regress) |
| be off(noun, food, spoiled) |
| blight(verb, break, spoil, disimprove) |
| break down(verb, break, spoil, disimprove) |