Kittenish
/ˈkɪtnɪʃ/
Definition 1 of 1
Pro Tip 1/3Light-Hearted
The term 'kittenish' suggests a carefree and joyful attitude, often lighthearted and not serious. 
Her kittenish demeanor brightened the somber meeting.
Pro Tip 2/3Age Implications
While 'kittenish' is positive, it may imply youth, so be careful when referencing older individuals. 
She maintained a kittenish spirit well into her 60s.
Pro Tip 3/3Informal Use
'Kittenish' is typically used in casual or informal settings rather than formal or professional ones. 
After work, her kittenish side comes out while she plays with her kids.