The Collaborative International Dictionary
Derisiveness
Derisive \De*ri"sive\, a.
Expressing, serving for, or characterized by, derision.
``Derisive taunts.''
--Pope. -- De*ri"sive*ly, adv. --
De*ri"sive*ness, n.
Wiktionary
derisiveness
n. 1 (context uncountable English) The condition of being derisive 2 (context countable English) Derisive behaviour