noun

the tendency to be impatient; irritability or restlessness.

she crumpled up the pages in a burst of impatience

restlessness,restiveness,frustration,agitation,nervousness,edginess,jitteriness,excitability,eagerness,keenness,avidity,hunger,greed,longing,yearning,irritability,testiness,tetchiness,snappiness,irascibility,querulousness,peevishness,intolerance,disgruntlement,exasperation,annoyance,pique,discontent,dissatisfaction,displeasure,abruptness,brusqueness,shortness,curtness,aggravation