3 adverbs to describe how to sly

This with a prodigiously sly wink of one heavy eyelid.

"What said the Prince to yon, young sir, if I may ask without offence?" said he, looking at me with a curiously sly, upward glance out of the corner of his eye, as if he suspected me of a fixed intention to tell him a lie in any case.

The gentleman provoked at his inordinate vanity, resolved not to indulge it, and with an exquisitely sly air of indifference answered, 'A mere trifle Sir, not worth repeating.'

3 adverbs to describe how to  sly  - Adverbs for  sly