1) Agile 2) Feline 3) Leonine 4) Unenergetic 1) Agile and stealthy 2) Elegant 3) Feline 4) Graceful 5) Like cougars and others 6) Quiet and stealthy 7) Slinky 8) Slinky and stealthy 9) Stealthy 10) Subtle 11) Swift and graceful 
• (a.) Like a cat; stealthily; noiselessly.
Cat'like` adjective Like a cat; stealthily; noiselessly. 
[adj] - quiet and stealthy
cat-like adjective resembling a cat