girlishadjective
uk/ˈɡɜː.lɪʃ/us/ˈɡɝː.lɪʃ/Girlish behaviour or characteristics are typical of a girl:
a girlish laugh
His eyelashes were long and girlish.
girlishly
adverb uk/ˈɡɜː.lɪʃ.li/us/ˈɡɝː.lɪʃ.li/
girlishness
noun [ U ] uk/ˈɡɜː.lɪʃ.nəs/us/ˈɡɝː.lɪʃ.nəs/