- 1dilute something (with something) to make a liquid weaker by adding water or another liquid to it synonym water down The paint can be diluted with water to make a lighter shade.
- 2dilute something to make something weaker or less effective synonym water down Large classes dilute the quality of education that children receive.
- NAmE//daɪˈluʃn//, NAmE//dɪˈluʃn//noun [uncountable] the dilution of sewage This is a serious dilution of their election promises.
NAmE//daɪˈlut//, NAmE//dɪˈlut//Verb Forms present simple I / you / we / they dilute
he / she / it dilutes
past simple diluted
-ing form diluting
dilutionjump to other results