relating to cats or members of the cat family, for example affecting these animals;
e.g. The cat has feline distemper, a disease that only affects cats.
(adjective)
resembling a cat in some way, for example by being graceful and smooth in one's movements or being clever, sneaky, and potentially-unreliable in one's behavior;
e.g. The dancer moved with feline ease and was a pleasure to watch.