Wordnet 3.0
VERB (2)
1.
make less strong or intense;
- Example: "water down the mixture"2.
thin by adding water to;
- Example: "They watered down the moonshine"
WordNet (r) 3.0 (2006):
water down
v 1: make less strong or intense; "water down the mixture"
2: thin by adding water to; "They watered down the moonshine"