"worthlessness" in the noun sense
1. worthlessness, ineptitude
having no qualities that would render it valuable or useful
"the drill sergeant's intent was to convince all the recruits of their worthlessness"
the quality of being without practical use
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License