Peccadi'llo. [Spanish; pecadille, French.] A petty fault; a slight crime; a venial offence.
He means those little vices, which we call follies and the defects of the human understanding, or at most the peccadillos of life, rather than the tragical vices to which men are hurried by their unruly passions. Dryden.
'Tis low ebb with his accusers, when such peccadilos as these are put in to swell the charge. Atterbury.