DISSATISFACTION
dissatisfaction
(noun) the feeling of being displeased and discontent; “he was never slow to express his dissatisfaction with the service he received”
Source: WordNet® 3.1
Etymology
Noun
dissatisfaction (countable and uncountable, plural dissatisfactions)
unhappiness or discontent
the cause of such feelings
Source: Wiktionary
Dis*sat`is*fac"tion, n.
Definition: The state of being dissatisfied, unsatisfied, or discontented;
uneasiness proceeding from the want of gratification, or from
disappointed wishes and expectations.
The ambitious man has little happiness, but is subject to much
uneasiness and dissatisfaction. Addison.
Syn.
– Discontent; discontentment; displeasure; disapprobation;
distaste; dislike.
Source: Webster’s Unabridged Dictionary 1913 Edition