sneaky Meaning, Definition & Usage

1. adjective satellite marked by deception
   underhand; underhanded.
   
   • achieved success in business only by underhand methods
2. adjective satellite marked by quiet and caution and secrecy; taking pains to avoid being observed
   furtive; surreptitious; sneak; stealthy.
   
   • a furtive manner
   • a sneak attack
   • stealthy footsteps
   • a surreptitious glance at his watch

WordNet