Definition of 'sneaky'
- marked by deception; "achieved success in business only by underhand methods"
Synonyms: underhand underhanded
- marked by quiet and caution and secrecy; taking pains to avoid being observed; "a furtive manner"; "a sneak attack"; "stealthy footsteps"; "a surreptitious glance at his watch"
Synonyms: furtive sneak stealthy surreptitious