A discontented person. (see also malcontent).
A cause of discontent.
Sorrow over a person or thing gone, lost, etc.
Find another word for disgruntlement. In this page you can discover 7 synonyms, antonyms, idiomatic expressions, and related words for disgruntlement, like: disappointment, discontent, discontentment, dissatisfaction, letdown, regret and happy.