Adjective sneaky has 2 senses
- sneaky, underhand, underhanded - marked by deception; "achieved success in business only by underhand methods"
Antonym: straight (indirect, via crooked)
- furtive, lurking, skulking, sneak, sneaky, stealthy, surreptitious - marked by quiet and caution and secrecy; taking pains to avoid being observed; "a furtive manner"; "a lurking prowler"; "a sneak attack"; "stealthy footsteps"; "a surreptitious glance at his watch"; "someone skulking in the shadows"
Antonym: unconcealed (indirect, via concealed)
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