Search Result for "immatureness": 
Wordnet 3.0

NOUN (1)

1. not having reached maturity;
[syn: immaturity, immatureness]



The Collaborative International Dictionary of English v.0.48:

Immatureness \Im`ma*ture"ness\, n.
   The state or quality of being immature; immaturity. --Boyle.
   [1913 Webster]


WordNet (r) 3.0 (2006):

immatureness
    n 1: not having reached maturity [syn: immaturity,
         immatureness] [ant: matureness, maturity]