girlish

girlish
    adj 1: befitting or characteristic of a young girl; "girlish
           charm"; "a dress too schoolgirlish for office wear" [syn:
           {girlish}, {schoolgirlish}]
    

Girlish \Girl"ish\, a.
   Like, or characteristic of, a girl; of or pertaining to
   girlhood; innocent; artless; immature; weak; as, girlish
   ways; girlish grief. -- {Girl"ish*ly}, adv. --
   {Girl"ish*ness}, n.
   [1913 Webster]
    

82 Moby Thesaurus words for "girlish":
      airy, attenuate, attenuated, beardless, boyish, boylike, calflike,
      childish, childlike, coltish, delicate, diaphanous, diluted,
      distaff, ethereal, female, feminine, fine, fine-drawn, finespun,
      flimsy, frail, gauzy, gentlewomanlike, girllike, gossamer, gracile,
      gynecic, gynecoid, gynic, insubstantial, kiddish, kittenish, lacy,
      ladylike, light, little-girlish, maiden, maidenly, matronal,
      matronlike, matronly, misty, muliebral, papery, petticoat, puerile,
      puplike, puppyish, puppylike, rare, rarefied, slender, slenderish,
      slight, slight-made, slim, slimmish, slinky, small, subtle, svelte,
      sylphlike, tenuous, thin, thin-bodied, thin-set, thin-spun,
      thinnish, threadlike, vague, wasp-waisted, watered, watered-down,
      watery, weak, willowy, wiredrawn, wispy, womanish, womanlike,
      womanly