One aspect of the recent stories of diabolism is the subtleness by which the evil is suggested.
He speaks, as well he might, of the inconstancy and subtleness of the people with whom we deal.
But he watched all that went on in the house with that subtleness of penetration which fever so often imparts.
It nettled him to be put on the defensive, his subtleness openly contemned.
He met the glance with a slow grin which had in it a quality of that subtleness she had noticed in him before.
It is not stupendous or remarkably awesome; but it is grand, with a subtleness which is inexpressible.
Belbeis had long ago proved his fidelity, and as to his "subtleness," of which Naoum had spoken, that was beyond doubt.
The popular spirit in literature was one of subtleness, irony, superficial observations on manners and customs.
The charm of woman, too, lies partly in her subtleness in matters of love.
He only knew the ethics of the deed was shaded with the subtleness of villainy.
c.1300, sutel, soutil, in reference to things, "of thin consistency;" in reference to craftsmen, "skilled, clever," from Old French soutil, from Latin subtilis "fine, thin, delicate, finely woven," from sub "under" (see sub-) + -tilis, from tela "web" and texere "to weave" (see texture). The spelling with -b- reflects confusion with subtile. Most non-material senses were present by late 14c.