Idiom for "totally watered down" [closed]
Is there an idiom in English for cases where something is so watered down (figuratively or literally) to the point there is no substance left, just the "bare" water?
Something may be faded out, literally or figuratively.
fade out 1. PHRASAL VERB
When something fades out, it slowly becomes less noticeable or less important until it disappears completely. [Collins CoBuild]
.........
fade out ...
to diminish and go away altogether. [McGraw-Hill Dictionary of American Idioms and Phrasal Verbs]
Macmillan licenses the transitive usage:
fade out [PHRASAL VERB] intransitive/transitive ...