Entry Word: sneaky

Function: adjective

Meaning: 1 given to acting in secret and to concealing one's intentions <the sneaky little girl was clearly up to something>

Synonyms furtive, shady, shifty, slippery, sly, sneaking, stealthy

Related Words devious, guileful; close, closemouthed, reticent, secretive; clandestine, covert, dark; deceitful, deceiving, deceptive, tricky, underhand, underhanded; crooked, dishonest, double-dealing, two-faced; lying, mendacious, untrustworthy, untruthful; insidious, perfidious, treacherous

Near Antonyms aboveboard, forthright, straightforward; candid, frank, open, plain; honest, trustworthy, truthful

2 undertaken or done so as to escape being observed or known by others <a sneaky plan to replace the priceless painting with a copy> — see secret 1