Search Result for "childlessness": 
Wordnet 3.0

NOUN (1)

1. the condition of being without offspring; 



The Collaborative International Dictionary of English v.0.48:

Childlessness \Child"less*ness\, n.
   The state of being childless.
   [1913 Webster]


WordNet (r) 3.0 (2006):

childlessness
    n 1: the condition of being without offspring