RichThesaurus
phony as a three-dollar bill
vs
unauthentic
phony as a three-dollar bill
adj
Extremely phony; fake; dishonest; completely bogus.
unauthentic
adj
Not authentic
How often have the words
phony as a three-dollar bill
and
unauthentic
occurred in a corpus of books?
(source:
Google Ngram Viewer
)