childliest

/ˈtʃaɪldliɪst/
adjective
  1. Most like a child; having the most childlike qualities.
    • He gave the childliest laugh when he saw the puppy.
    • The childliest part of her personality was her endless curiosity.
    • Of all the paintings in the gallery, hers had the childliest sense of wonder.
Antonyms
What does "childliest" mean? | whatsthatwordmean | whatsthatwordmean