|Origin:||dilutus, past participle of diluere 'to wash away'|
to make a liquid weaker by adding water or another liquid [↪ water down]:
diluted fruit juice
dilute something with/in something
Dilute the paint with a little oil.
to make a quality, belief etc weaker or less effective [↪ water down]:
an attempt to dilute the proposals
—dilution noun [uncountable and countable]
Any dilution of standards must be resisted.