The Collaborative International Dictionary
                    Cantankerousness
                    
                        
                
                                                                    Cantankerous \Can*tan"ker*ous\, a. Perverse; contentious; ugly; malicious. [Colloq.] -- Can*tan"ker*ous*ly, adv. -- Can*tan"ker*ous*ness, n.
The cantankerous old maiden aunt.        
--Thackeray.
Wiktionary
                    cantankerousness
                    
                        
                
                                                                    n. The state of being cantankerous.
Usage examples of "cantankerousness".
And there were three Grannys taken to their beds in my kingdom, afflicted with what they claimed was epizootics and what I knew was congenital cantankerousness, and that was disrupting the regular conduct of everyday affairs more than was convenient.