Source : Webster's Revised Unabridged Dictionary (1913)

Contrariness \Con"tra*ri*ness\, n.
   state or quality of being contrary; opposition;
   inconsistency; contrariety; perverseness; obstinacy.

Source : WordNet®

contrariness
     n 1: deliberate unruliness [syn: {perversity}, {perverseness}]
     2: a fussy and eccentric disposition [syn: {crankiness}, {crotchetiness},
         {grumpiness}]