'Unlawfulness' definitions:

Definition of 'unlawfulness'

From: WordNet
noun
The quality of failing to conform to law [ant: lawfulness]

Definition of 'Unlawfulness'

From: GCIDE
  • Unlawful \Un*law"ful\, a. Not lawful; contrary to law. -- {Un*law"ful*ly}, adv. -- {Un*law"ful*ness}, n. [1913 Webster]
  • Unlawful assembly. (Law) See under Assembly. [1913 Webster]