Disgruntlement(noun)
The condition of being dissatisfied with one's life or situation.
Hindi meaning:असंतोष
Synonyms: Displeasure, Discontentment, Dissatisfaction, Frustration
Antonyms: Happiness, Pleasure, Contentment, Satisfaction
Example: Disgruntled employees recently called for his resignation.
Trick to remember: This grand trunk road ne kabhi disgruntle nhi kiya. 
