Hence we see that the very essence of a fallacy is its speciousness.
Amidst all the speciousness of their claims, she had "found" them false.
Yet there is a speciousness about such an excuse, and we will leave it.
Her speciousness and artifices seduced him into a precipitate marriage.
It has just the speciousness that runs away with young people.
I perceive the speciousness ...