Hogwash has 2 different meanings across 1 category:
Noun
Noun
1
unacceptable behavior (especially ludicrously false statements)
2
Foolish talk or writing; nonsense.
Broader Terms (hypernyms)
Narrower Terms (hyponyms)
Origin
The word comes from Middle English, originally meaning "hog's wash" or refuse used to feed pigs. It is a combination of the words for pig and washing.