"diluting" in the verb sense
1. dilute, thin, thin out, reduce, cut
lessen the strength or flavor of a solution or mixture
2. load, adulterate, stretch, dilute, debase
corrupt, debase, or make impure by adding a foreign or inferior substance often by replacing valuable ingredients with inferior ones
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License