The Collaborative International Dictionary of English v.0.48:

Crotchetiness \Crotch"et*i*ness\ (kr?ch"?t-?-n?s), n.
   The state or character of being crotchety, or whimsical.
   [1913 Webster]

         This belief in rightness is a kind of
         conscientiousness, and when it degenerates it becomes
         crotchetiness.                           --J. Grote.
   [1913 Webster]

WordNet (r) 3.0 (2006):

crotchetiness
    n 1: a fussy and eccentric disposition [syn: crankiness,
         crotchetiness, contrariness, grumpiness]