See sneaky in Webster's New World Roget's A-Z Thesaurus II
adjective
So slow, deliberate, and secret as to escape observation:
catlike, feline, furtive, slinky, sneaking, stealthy. See moveTrickily secret:
furtive, secretive, sly, sneaking, surreptitious. See honestMarked by treachery or deceit:
devious, disingenuous, duplicitous, guileful, indirect, lubricious, shifty, underhand, underhanded. See honest
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