Search Result for "boyishness": 
Wordnet 3.0

NOUN (1)

1. being characteristic of a boy; 



The Collaborative International Dictionary of English v.0.48:

Boyishness \Boy"ish*ness\, n.
   The manners or behavior of a boy.
   [1913 Webster]


WordNet (r) 3.0 (2006):

boyishness
    n 1: being characteristic of a boy