basely, behind one's back*, crookedly, dishonestly, dishonorably, disloyally, faithlessly, falseheartedly, malevolently, maliciously, perfidiously, roguishly, traitorously, treacherously, underhandedly, unfaithfully, unscrupulously
knock-off fake
no, transparency is clearnes and genuine is real ex: genuine leather.
The opposite of counterfeit (fake, false) would be real, genuine, or authentic.
Imitation, fake, bogus, false, artificial Opposites for genuine include fake, false, plastic, faux and copy. Ersatz, unauthentic, counterfeit
Fake, as a verb.
Illegitimate
False or Fake.
The opposite of "fake" is "genuine" or "real."
Not genuine is false or phony.
false
artificial, fake, counterfeit
false
phony
false
knock-off fake
phony
phony, false