Pet·tish a.  Fretful; peevish; moody; capricious; inclined to ill temper. “A pettish kind of humor.” --Sterne. -- Pet*tish*ly, adv. -- Pet*tish*ness, n.
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  pettishness
       n : a disposition to exhibit uncontrolled anger; "his temper was
           well known to all his employees" [syn: temper, biliousness,
            irritability, peevishness, snappishness, surliness]