noun

dissatisfaction with one’s circumstances; lack of contentment.

voters voiced discontent with both parties

dissatisfaction,disaffection,discontentment,discontentedness,disgruntlement,grievances,unhappiness,displeasure,bad feelings,resentment,envy,restlessness,unrest,uneasiness,unease,disquiet,fretfulness,frustration,impatience,irritation,chagrin,annoyance,pique,a chip on one’s shoulder

adjective

dissatisfied.

he was discontent with his wages