'Pettishness' definitions:

Definition of 'pettishness'

(from WordNet)
noun
A disposition to exhibit uncontrolled anger; "his temper was well known to all his employees" [syn: temper, biliousness, irritability, peevishness, pettishness, snappishness, surliness]

Definition of 'Pettishness'

From: GCIDE
  • Pettish \Pet"tish\, a. [From Pet.] Fretful; peevish; moody; capricious; inclined to ill temper. "A pettish kind of humor." --Sterne. -- {Pet"tish*ly}, adv. -- {Pet"tish*ness}, n. [1913 Webster]