Definition of "girlish"

She saw her own face, glowing with girlish beauty, and illuminating all the interior of the dusky mirror in which she had been wont to gaze at it.

1850, Nathaniel Hawthorne, chapter 2, in The Scarlet Letter, a Romance, Boston, Mass.: Ticknor, Reed, and Fields

Three little maids from school are we, / Pert as a school-girl well can be, / Filled to the brim with girlish glee, / Three little maids from school!

1885, W[illiam] S[chwenck] Gilbert, Arthur Sullivan, composer, […] The Mikado; or, The Town of Titipu, London: Chappel & Co., […], Act 1

April, April, / Laugh thy girlish laughter; / Then, the moment after, / Weep thy girlish tears!

1898, William Watson, “Song”, in The Hope of the World and Other Poems‎, London: John Lane, page 41

This village was the birth-place of Thomasine Bonauenture, I know not, whether by descent, or euent, so called: for whiles in her girlish age she kept sheepe on the foreremembered moore, it chanced that a London merchant passing by, saw her […] .

1602, Richard Carew, The Survey of Cornwall, London: E. Law, 1769, pp. 119-20