kittlish
/ˈkɪt.ɪlɪʃ/Definitions
1. adjective
Having the quality of a kitten, especially being playful or mischievous.
“The kitten’s kittlish behavior was a delight to watch.”
2. noun
A kitten-like quality or behavior.
“The little girl’s kittlish antics were the highlight of the party.”