The quality of being unpersuasive; lack of persuasiveness.(noun)
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Use "unpersuasiveness" in a sentence
"The unpersuasiveness of those comments have persuaded me this might actually be a goodidea."
"One thing the opponents of Don't Ask, Don't Tell have going for them is the unpersuasiveness of the military's claim that gay servicemembers will undermine cohesion and military effectiveness."
"We have all felt the brazenness of words without emotion, the hollowness, the unaccountable unpersuasiveness, of eloquence behind which lies no Love."