Snap·pish a.
 1. Apt to snap at persons or things; eager to bite; as, a snapping cur.
 2. Sharp in reply; apt to speak angrily or testily; easily provoked; tart; peevish.
    The taunting address of a snappish misanthrope.   --Jeffrey.
 -- Snap*pish*ly, adv. -- Snap*pish*ness, n.
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 snappishness
      n : a disposition to exhibit uncontrolled anger; "his temper was
          well known to all his employees" [syn: temper, biliousness,
           irritability, peevishness, pettishness, surliness]