Related Clues:
- Hampers
- Harms
- Vitiates
- Waters down
- Saps
- Undermines
- Damages
- Loses strength
- I am in short, enough of what spoils 31 acrosses
- Mars, spoils
- Subverts
- Mischief-maker with affectedness improves? Quite the opposite
- Saps of strength
- Grows less strong
- Diminishes in function ... or a hint to what's found in 17-, 23-, 49- and 59-Across