From the Free Merriam-Webster Dictionary:
pho·ny–ba·lo·ney adj \-bə-ˈlō-nē\
Definition of PHONY-BALONEY
: phony e
Variants of PHONY-BALONEY
pho·ny–ba·lo·ney or pho·ney–baloney
First Known Use of PHONY-BALONEY: 1978
Synonyms: artificial, backhanded, counterfeit, double, double-dealing, double-faced, fake, feigned, hypocritical, Janus-faced, jive [slang], left-handed,lip, mealy, mealymouthed, Pecksniffian, phony (also phoney), phony-baloney (or phoney-baloney), pretended, two-faced, unctuous
Antonyms: artless, candid, genuine, heartfelt, honest, sincere, undesigning, unfeigned
From a 1937 issue of American Speech (published by Duke University Press), written by Peter Tamony: